Home / 14,068.20-19,414.08-7,780.62

Finding the Fourth Proportional to 14,068.20, 19,414.08 and 7,780.62

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Solution

The fourth proportional to 14,068.20, 19,414.08 and 7,780.62 is: 10,737.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.20 : 19,414.08 = 7,780.62 : x
  2. Step 2: Convert to fraction form
    14,068.20/19,414.08 = 7,780.62/x
  3. Step 3: Cross multiply
    14,068.20x = 19,414.08 × 7,780.62
  4. Step 4: Simplify right side
    14,068.20x = 151,053,579.13
  5. Step 5: Solve for x
    x = 151,053,579.13/14,068.20
  6. Step 6: Final answer
    x = 10,737.24

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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.