Home / 14,886.10-22,329.15-12,658.90

Finding the Fourth Proportional to 14,886.10, 22,329.15 and 12,658.90

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Solution

The fourth proportional to 14,886.10, 22,329.15 and 12,658.90 is: 18,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,886.10 : 22,329.15 = 12,658.90 : x
  2. Step 2: Convert to fraction form
    14,886.10/22,329.15 = 12,658.90/x
  3. Step 3: Cross multiply
    14,886.10x = 22,329.15 × 12,658.90
  4. Step 4: Simplify right side
    14,886.10x = 282,662,476.94
  5. Step 5: Solve for x
    x = 282,662,476.94/14,886.10
  6. Step 6: Final answer
    x = 18,988.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.