Home / 10,329.88-14,255.45-5,614.47

Finding the Fourth Proportional to 10,329.88, 14,255.45 and 5,614.47

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Solution

The fourth proportional to 10,329.88, 14,255.45 and 5,614.47 is: 7,748.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.88 : 14,255.45 = 5,614.47 : x
  2. Step 2: Convert to fraction form
    10,329.88/14,255.45 = 5,614.47/x
  3. Step 3: Cross multiply
    10,329.88x = 14,255.45 × 5,614.47
  4. Step 4: Simplify right side
    10,329.88x = 80,036,697.01
  5. Step 5: Solve for x
    x = 80,036,697.01/10,329.88
  6. Step 6: Final answer
    x = 7,748.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.