Home / 16,619.38-22,934.21-9,903.47

Finding the Fourth Proportional to 16,619.38, 22,934.21 and 9,903.47

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Solution

The fourth proportional to 16,619.38, 22,934.21 and 9,903.47 is: 13,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,619.38 : 22,934.21 = 9,903.47 : x
  2. Step 2: Convert to fraction form
    16,619.38/22,934.21 = 9,903.47/x
  3. Step 3: Cross multiply
    16,619.38x = 22,934.21 × 9,903.47
  4. Step 4: Simplify right side
    16,619.38x = 227,128,096.52
  5. Step 5: Solve for x
    x = 227,128,096.52/16,619.38
  6. Step 6: Final answer
    x = 13,666.46

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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.