Home / 15,816.48-23,690.40-10,251.78

Finding the Fourth Proportional to 15,816.48, 23,690.40 and 10,251.78

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Solution

The fourth proportional to 15,816.48, 23,690.40 and 10,251.78 is: 15,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816.48 : 23,690.40 = 10,251.78 : x
  2. Step 2: Convert to fraction form
    15,816.48/23,690.40 = 10,251.78/x
  3. Step 3: Cross multiply
    15,816.48x = 23,690.40 × 10,251.78
  4. Step 4: Simplify right side
    15,816.48x = 242,868,768.91
  5. Step 5: Solve for x
    x = 242,868,768.91/15,816.48
  6. Step 6: Final answer
    x = 15,355.42

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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.