Home / 15,569.60-21,486.36-8,496.32

Finding the Fourth Proportional to 15,569.60, 21,486.36 and 8,496.32

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Solution

The fourth proportional to 15,569.60, 21,486.36 and 8,496.32 is: 11,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569.60 : 21,486.36 = 8,496.32 : x
  2. Step 2: Convert to fraction form
    15,569.60/21,486.36 = 8,496.32/x
  3. Step 3: Cross multiply
    15,569.60x = 21,486.36 × 8,496.32
  4. Step 4: Simplify right side
    15,569.60x = 182,554,990.20
  5. Step 5: Solve for x
    x = 182,554,990.20/15,569.60
  6. Step 6: Final answer
    x = 11,725.09

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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.