Home / 15,708.02-21,664.02-10,403.30

Finding the Fourth Proportional to 15,708.02, 21,664.02 and 10,403.30

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Solution

The fourth proportional to 15,708.02, 21,664.02 and 10,403.30 is: 14,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.02 : 21,664.02 = 10,403.30 : x
  2. Step 2: Convert to fraction form
    15,708.02/21,664.02 = 10,403.30/x
  3. Step 3: Cross multiply
    15,708.02x = 21,664.02 × 10,403.30
  4. Step 4: Simplify right side
    15,708.02x = 225,377,299.27
  5. Step 5: Solve for x
    x = 225,377,299.27/15,708.02
  6. Step 6: Final answer
    x = 14,347.91

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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.