Home / 16,421.23-22,658.23-9,250.61

Finding the Fourth Proportional to 16,421.23, 22,658.23 and 9,250.61

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Solution

The fourth proportional to 16,421.23, 22,658.23 and 9,250.61 is: 12,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,421.23 : 22,658.23 = 9,250.61 : x
  2. Step 2: Convert to fraction form
    16,421.23/22,658.23 = 9,250.61/x
  3. Step 3: Cross multiply
    16,421.23x = 22,658.23 × 9,250.61
  4. Step 4: Simplify right side
    16,421.23x = 209,602,347.29
  5. Step 5: Solve for x
    x = 209,602,347.29/16,421.23
  6. Step 6: Final answer
    x = 12,764.11

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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.