Home / 16,315.86-22,515.90-9,242.28

Finding the Fourth Proportional to 16,315.86, 22,515.90 and 9,242.28

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Solution

The fourth proportional to 16,315.86, 22,515.90 and 9,242.28 is: 12,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.86 : 22,515.90 = 9,242.28 : x
  2. Step 2: Convert to fraction form
    16,315.86/22,515.90 = 9,242.28/x
  3. Step 3: Cross multiply
    16,315.86x = 22,515.90 × 9,242.28
  4. Step 4: Simplify right side
    16,315.86x = 208,098,252.25
  5. Step 5: Solve for x
    x = 208,098,252.25/16,315.86
  6. Step 6: Final answer
    x = 12,754.35

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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.