Home / 14,985.64-22,478.48-5,125

Finding the Fourth Proportional to 14,985.64, 22,478.48 and 5,125

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Solution

The fourth proportional to 14,985.64, 22,478.48 and 5,125 is: 7,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.64 : 22,478.48 = 5,125 : x
  2. Step 2: Convert to fraction form
    14,985.64/22,478.48 = 5,125/x
  3. Step 3: Cross multiply
    14,985.64x = 22,478.48 × 5,125
  4. Step 4: Simplify right side
    14,985.64x = 115,202,210
  5. Step 5: Solve for x
    x = 115,202,210/14,985.64
  6. Step 6: Final answer
    x = 7,687.51

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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.