Home / 14,351.90-21,521.78-4,488.53

Finding the Fourth Proportional to 14,351.90, 21,521.78 and 4,488.53

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Solution

The fourth proportional to 14,351.90, 21,521.78 and 4,488.53 is: 6,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.90 : 21,521.78 = 4,488.53 : x
  2. Step 2: Convert to fraction form
    14,351.90/21,521.78 = 4,488.53/x
  3. Step 3: Cross multiply
    14,351.90x = 21,521.78 × 4,488.53
  4. Step 4: Simplify right side
    14,351.90x = 96,601,132.74
  5. Step 5: Solve for x
    x = 96,601,132.74/14,351.90
  6. Step 6: Final answer
    x = 6,730.90

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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.