Home / 15,446.84-21,320.44-10,148.83

Finding the Fourth Proportional to 15,446.84, 21,320.44 and 10,148.83

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Solution

The fourth proportional to 15,446.84, 21,320.44 and 10,148.83 is: 14,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.84 : 21,320.44 = 10,148.83 : x
  2. Step 2: Convert to fraction form
    15,446.84/21,320.44 = 10,148.83/x
  3. Step 3: Cross multiply
    15,446.84x = 21,320.44 × 10,148.83
  4. Step 4: Simplify right side
    15,446.84x = 216,377,442.41
  5. Step 5: Solve for x
    x = 216,377,442.41/15,446.84
  6. Step 6: Final answer
    x = 14,007.88

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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.