Home / 15,601.25-21,524.31-8,885.13

Finding the Fourth Proportional to 15,601.25, 21,524.31 and 8,885.13

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Solution

The fourth proportional to 15,601.25, 21,524.31 and 8,885.13 is: 12,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.25 : 21,524.31 = 8,885.13 : x
  2. Step 2: Convert to fraction form
    15,601.25/21,524.31 = 8,885.13/x
  3. Step 3: Cross multiply
    15,601.25x = 21,524.31 × 8,885.13
  4. Step 4: Simplify right side
    15,601.25x = 191,246,292.51
  5. Step 5: Solve for x
    x = 191,246,292.51/15,601.25
  6. Step 6: Final answer
    x = 12,258.40

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Half scale
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Double scale
Find fourth proportional to 15,602.25, 21,525.69 and 8,886.13
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.