Home / 16,398.23-22,632.92-10,428.74

Finding the Fourth Proportional to 16,398.23, 22,632.92 and 10,428.74

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Solution

The fourth proportional to 16,398.23, 22,632.92 and 10,428.74 is: 14,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,398.23 : 22,632.92 = 10,428.74 : x
  2. Step 2: Convert to fraction form
    16,398.23/22,632.92 = 10,428.74/x
  3. Step 3: Cross multiply
    16,398.23x = 22,632.92 × 10,428.74
  4. Step 4: Simplify right side
    16,398.23x = 236,032,842.56
  5. Step 5: Solve for x
    x = 236,032,842.56/16,398.23
  6. Step 6: Final answer
    x = 14,393.80

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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.