Home / 15,456.16-23,184.24-6,220

Finding the Fourth Proportional to 15,456.16, 23,184.24 and 6,220

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Solution

The fourth proportional to 15,456.16, 23,184.24 and 6,220 is: 9,330

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.16 : 23,184.24 = 6,220 : x
  2. Step 2: Convert to fraction form
    15,456.16/23,184.24 = 6,220/x
  3. Step 3: Cross multiply
    15,456.16x = 23,184.24 × 6,220
  4. Step 4: Simplify right side
    15,456.16x = 144,205,972.80
  5. Step 5: Solve for x
    x = 144,205,972.80/15,456.16
  6. Step 6: Final answer
    x = 9,330

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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.