Home / 14,641.80-21,962.70-4,778.70

Finding the Fourth Proportional to 14,641.80, 21,962.70 and 4,778.70

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Solution

The fourth proportional to 14,641.80, 21,962.70 and 4,778.70 is: 7,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,641.80 : 21,962.70 = 4,778.70 : x
  2. Step 2: Convert to fraction form
    14,641.80/21,962.70 = 4,778.70/x
  3. Step 3: Cross multiply
    14,641.80x = 21,962.70 × 4,778.70
  4. Step 4: Simplify right side
    14,641.80x = 104,953,154.49
  5. Step 5: Solve for x
    x = 104,953,154.49/14,641.80
  6. Step 6: Final answer
    x = 7,168.05

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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.