Home / 16,355.16-22,570.62-9,280.92

Finding the Fourth Proportional to 16,355.16, 22,570.62 and 9,280.92

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Solution

The fourth proportional to 16,355.16, 22,570.62 and 9,280.92 is: 12,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,355.16 : 22,570.62 = 9,280.92 : x
  2. Step 2: Convert to fraction form
    16,355.16/22,570.62 = 9,280.92/x
  3. Step 3: Cross multiply
    16,355.16x = 22,570.62 × 9,280.92
  4. Step 4: Simplify right side
    16,355.16x = 209,476,118.57
  5. Step 5: Solve for x
    x = 209,476,118.57/16,355.16
  6. Step 6: Final answer
    x = 12,807.95

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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.