Home / 14,442.32-19,930.41-8,154.74

Finding the Fourth Proportional to 14,442.32, 19,930.41 and 8,154.74

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Solution

The fourth proportional to 14,442.32, 19,930.41 and 8,154.74 is: 11,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.32 : 19,930.41 = 8,154.74 : x
  2. Step 2: Convert to fraction form
    14,442.32/19,930.41 = 8,154.74/x
  3. Step 3: Cross multiply
    14,442.32x = 19,930.41 × 8,154.74
  4. Step 4: Simplify right side
    14,442.32x = 162,527,311.64
  5. Step 5: Solve for x
    x = 162,527,311.64/14,442.32
  6. Step 6: Final answer
    x = 11,253.55

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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.