Home / 14,985.31-22,462.15-4,987.36

Finding the Fourth Proportional to 14,985.31, 22,462.15 and 4,987.36

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Solution

The fourth proportional to 14,985.31, 22,462.15 and 4,987.36 is: 7,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.31 : 22,462.15 = 4,987.36 : x
  2. Step 2: Convert to fraction form
    14,985.31/22,462.15 = 4,987.36/x
  3. Step 3: Cross multiply
    14,985.31x = 22,462.15 × 4,987.36
  4. Step 4: Simplify right side
    14,985.31x = 112,026,803.49
  5. Step 5: Solve for x
    x = 112,026,803.49/14,985.31
  6. Step 6: Final answer
    x = 7,475.78

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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.