Home / 15,258.48-21,056.06-8,885.24

Finding the Fourth Proportional to 15,258.48, 21,056.06 and 8,885.24

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Solution

The fourth proportional to 15,258.48, 21,056.06 and 8,885.24 is: 12,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258.48 : 21,056.06 = 8,885.24 : x
  2. Step 2: Convert to fraction form
    15,258.48/21,056.06 = 8,885.24/x
  3. Step 3: Cross multiply
    15,258.48x = 21,056.06 × 8,885.24
  4. Step 4: Simplify right side
    15,258.48x = 187,088,146.55
  5. Step 5: Solve for x
    x = 187,088,146.55/15,258.48
  6. Step 6: Final answer
    x = 12,261.26

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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.