Home / 15,661.02-21,614.97-9,373.38

Finding the Fourth Proportional to 15,661.02, 21,614.97 and 9,373.38

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Solution

The fourth proportional to 15,661.02, 21,614.97 and 9,373.38 is: 12,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.02 : 21,614.97 = 9,373.38 : x
  2. Step 2: Convert to fraction form
    15,661.02/21,614.97 = 9,373.38/x
  3. Step 3: Cross multiply
    15,661.02x = 21,614.97 × 9,373.38
  4. Step 4: Simplify right side
    15,661.02x = 202,605,327.50
  5. Step 5: Solve for x
    x = 202,605,327.50/15,661.02
  6. Step 6: Final answer
    x = 12,936.92

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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.