Home / 14,985.36-22,478.52-5,624.40

Finding the Fourth Proportional to 14,985.36, 22,478.52 and 5,624.40

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Solution

The fourth proportional to 14,985.36, 22,478.52 and 5,624.40 is: 8,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.36 : 22,478.52 = 5,624.40 : x
  2. Step 2: Convert to fraction form
    14,985.36/22,478.52 = 5,624.40/x
  3. Step 3: Cross multiply
    14,985.36x = 22,478.52 × 5,624.40
  4. Step 4: Simplify right side
    14,985.36x = 126,428,187.89
  5. Step 5: Solve for x
    x = 126,428,187.89/14,985.36
  6. Step 6: Final answer
    x = 8,436.78

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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.