Home / 15,512.71-21,407.32-9,461.56

Finding the Fourth Proportional to 15,512.71, 21,407.32 and 9,461.56

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Solution

The fourth proportional to 15,512.71, 21,407.32 and 9,461.56 is: 13,056.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.71 : 21,407.32 = 9,461.56 : x
  2. Step 2: Convert to fraction form
    15,512.71/21,407.32 = 9,461.56/x
  3. Step 3: Cross multiply
    15,512.71x = 21,407.32 × 9,461.56
  4. Step 4: Simplify right side
    15,512.71x = 202,546,535.58
  5. Step 5: Solve for x
    x = 202,546,535.58/15,512.71
  6. Step 6: Final answer
    x = 13,056.81

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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.