Home / 10,543.30-15,814.95-4,299.42

Finding the Fourth Proportional to 10,543.30, 15,814.95 and 4,299.42

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Solution

The fourth proportional to 10,543.30, 15,814.95 and 4,299.42 is: 6,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.30 : 15,814.95 = 4,299.42 : x
  2. Step 2: Convert to fraction form
    10,543.30/15,814.95 = 4,299.42/x
  3. Step 3: Cross multiply
    10,543.30x = 15,814.95 × 4,299.42
  4. Step 4: Simplify right side
    10,543.30x = 67,995,112.33
  5. Step 5: Solve for x
    x = 67,995,112.33/10,543.30
  6. Step 6: Final answer
    x = 6,449.13

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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.