Home / 14,490.90-21,730.28-4,627.53

Finding the Fourth Proportional to 14,490.90, 21,730.28 and 4,627.53

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Solution

The fourth proportional to 14,490.90, 21,730.28 and 4,627.53 is: 6,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.90 : 21,730.28 = 4,627.53 : x
  2. Step 2: Convert to fraction form
    14,490.90/21,730.28 = 4,627.53/x
  3. Step 3: Cross multiply
    14,490.90x = 21,730.28 × 4,627.53
  4. Step 4: Simplify right side
    14,490.90x = 100,557,499.47
  5. Step 5: Solve for x
    x = 100,557,499.47/14,490.90
  6. Step 6: Final answer
    x = 6,939.36

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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.