Home / 10,330.48-14,256.03-5,614.78

Finding the Fourth Proportional to 10,330.48, 14,256.03 and 5,614.78

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Solution

The fourth proportional to 10,330.48, 14,256.03 and 5,614.78 is: 7,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.48 : 14,256.03 = 5,614.78 : x
  2. Step 2: Convert to fraction form
    10,330.48/14,256.03 = 5,614.78/x
  3. Step 3: Cross multiply
    10,330.48x = 14,256.03 × 5,614.78
  4. Step 4: Simplify right side
    10,330.48x = 80,044,472.12
  5. Step 5: Solve for x
    x = 80,044,472.12/10,330.48
  6. Step 6: Final answer
    x = 7,748.38

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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.