Home / 16,355.52-22,569.84-9,280.98

Finding the Fourth Proportional to 16,355.52, 22,569.84 and 9,280.98

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Solution

The fourth proportional to 16,355.52, 22,569.84 and 9,280.98 is: 12,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,355.52 : 22,569.84 = 9,280.98 : x
  2. Step 2: Convert to fraction form
    16,355.52/22,569.84 = 9,280.98/x
  3. Step 3: Cross multiply
    16,355.52x = 22,569.84 × 9,280.98
  4. Step 4: Simplify right side
    16,355.52x = 209,470,233.64
  5. Step 5: Solve for x
    x = 209,470,233.64/16,355.52
  6. Step 6: Final answer
    x = 12,807.31

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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.