Home / 14,191.47-21,287.13-4,330.71

Finding the Fourth Proportional to 14,191.47, 21,287.13 and 4,330.71

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Solution

The fourth proportional to 14,191.47, 21,287.13 and 4,330.71 is: 6,496.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.47 : 21,287.13 = 4,330.71 : x
  2. Step 2: Convert to fraction form
    14,191.47/21,287.13 = 4,330.71/x
  3. Step 3: Cross multiply
    14,191.47x = 21,287.13 × 4,330.71
  4. Step 4: Simplify right side
    14,191.47x = 92,188,386.76
  5. Step 5: Solve for x
    x = 92,188,386.76/14,191.47
  6. Step 6: Final answer
    x = 6,496.04

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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.