Home / 10,124.09-15,186.12-5,437.65

Finding the Fourth Proportional to 10,124.09, 15,186.12 and 5,437.65

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Solution

The fourth proportional to 10,124.09, 15,186.12 and 5,437.65 is: 8,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.09 : 15,186.12 = 5,437.65 : x
  2. Step 2: Convert to fraction form
    10,124.09/15,186.12 = 5,437.65/x
  3. Step 3: Cross multiply
    10,124.09x = 15,186.12 × 5,437.65
  4. Step 4: Simplify right side
    10,124.09x = 82,576,805.42
  5. Step 5: Solve for x
    x = 82,576,805.42/10,124.09
  6. Step 6: Final answer
    x = 8,156.47

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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.