Home / 10,287.17-15,437.06-4,443.65

Finding the Fourth Proportional to 10,287.17, 15,437.06 and 4,443.65

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Solution

The fourth proportional to 10,287.17, 15,437.06 and 4,443.65 is: 6,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.17 : 15,437.06 = 4,443.65 : x
  2. Step 2: Convert to fraction form
    10,287.17/15,437.06 = 4,443.65/x
  3. Step 3: Cross multiply
    10,287.17x = 15,437.06 × 4,443.65
  4. Step 4: Simplify right side
    10,287.17x = 68,596,869.45
  5. Step 5: Solve for x
    x = 68,596,869.45/10,287.17
  6. Step 6: Final answer
    x = 6,668.20

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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.