Home / 14,154.10-19,532.46-7,780.96

Finding the Fourth Proportional to 14,154.10, 19,532.46 and 7,780.96

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Solution

The fourth proportional to 14,154.10, 19,532.46 and 7,780.96 is: 10,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.10 : 19,532.46 = 7,780.96 : x
  2. Step 2: Convert to fraction form
    14,154.10/19,532.46 = 7,780.96/x
  3. Step 3: Cross multiply
    14,154.10x = 19,532.46 × 7,780.96
  4. Step 4: Simplify right side
    14,154.10x = 151,981,289.96
  5. Step 5: Solve for x
    x = 151,981,289.96/14,154.10
  6. Step 6: Final answer
    x = 10,737.62

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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.