Home / 14,921.90-22,377.84-7,521.64

Finding the Fourth Proportional to 14,921.90, 22,377.84 and 7,521.64

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Solution

The fourth proportional to 14,921.90, 22,377.84 and 7,521.64 is: 11,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.90 : 22,377.84 = 7,521.64 : x
  2. Step 2: Convert to fraction form
    14,921.90/22,377.84 = 7,521.64/x
  3. Step 3: Cross multiply
    14,921.90x = 22,377.84 × 7,521.64
  4. Step 4: Simplify right side
    14,921.90x = 168,318,056.46
  5. Step 5: Solve for x
    x = 168,318,056.46/14,921.90
  6. Step 6: Final answer
    x = 11,279.93

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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.