Home / 16,317.69-22,512.98-11,280.09

Finding the Fourth Proportional to 16,317.69, 22,512.98 and 11,280.09

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Solution

The fourth proportional to 16,317.69, 22,512.98 and 11,280.09 is: 15,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,317.69 : 22,512.98 = 11,280.09 : x
  2. Step 2: Convert to fraction form
    16,317.69/22,512.98 = 11,280.09/x
  3. Step 3: Cross multiply
    16,317.69x = 22,512.98 × 11,280.09
  4. Step 4: Simplify right side
    16,317.69x = 253,948,384.17
  5. Step 5: Solve for x
    x = 253,948,384.17/16,317.69
  6. Step 6: Final answer
    x = 15,562.77

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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.