Home / 16,325.61-22,530.69-9,155.40

Finding the Fourth Proportional to 16,325.61, 22,530.69 and 9,155.40

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Solution

The fourth proportional to 16,325.61, 22,530.69 and 9,155.40 is: 12,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,325.61 : 22,530.69 = 9,155.40 : x
  2. Step 2: Convert to fraction form
    16,325.61/22,530.69 = 9,155.40/x
  3. Step 3: Cross multiply
    16,325.61x = 22,530.69 × 9,155.40
  4. Step 4: Simplify right side
    16,325.61x = 206,277,623.46
  5. Step 5: Solve for x
    x = 206,277,623.46/16,325.61
  6. Step 6: Final answer
    x = 12,635.21

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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.