Home / 10,122.49-15,185.36-4,575.61

Finding the Fourth Proportional to 10,122.49, 15,185.36 and 4,575.61

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Solution

The fourth proportional to 10,122.49, 15,185.36 and 4,575.61 is: 6,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.49 : 15,185.36 = 4,575.61 : x
  2. Step 2: Convert to fraction form
    10,122.49/15,185.36 = 4,575.61/x
  3. Step 3: Cross multiply
    10,122.49x = 15,185.36 × 4,575.61
  4. Step 4: Simplify right side
    10,122.49x = 69,482,285.07
  5. Step 5: Solve for x
    x = 69,482,285.07/10,122.49
  6. Step 6: Final answer
    x = 6,864.15

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1.5x scale

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.