Home / 14,987.30-22,465.14-4,989.36

Finding the Fourth Proportional to 14,987.30, 22,465.14 and 4,989.36

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Solution

The fourth proportional to 14,987.30, 22,465.14 and 4,989.36 is: 7,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.30 : 22,465.14 = 4,989.36 : x
  2. Step 2: Convert to fraction form
    14,987.30/22,465.14 = 4,989.36/x
  3. Step 3: Cross multiply
    14,987.30x = 22,465.14 × 4,989.36
  4. Step 4: Simplify right side
    14,987.30x = 112,086,670.91
  5. Step 5: Solve for x
    x = 112,086,670.91/14,987.30
  6. Step 6: Final answer
    x = 7,478.78

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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.