Home / 10,542.30-15,814.26-3,146.19

Finding the Fourth Proportional to 10,542.30, 15,814.26 and 3,146.19

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Solution

The fourth proportional to 10,542.30, 15,814.26 and 3,146.19 is: 4,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.30 : 15,814.26 = 3,146.19 : x
  2. Step 2: Convert to fraction form
    10,542.30/15,814.26 = 3,146.19/x
  3. Step 3: Cross multiply
    10,542.30x = 15,814.26 × 3,146.19
  4. Step 4: Simplify right side
    10,542.30x = 49,754,666.67
  5. Step 5: Solve for x
    x = 49,754,666.67/10,542.30
  6. Step 6: Final answer
    x = 4,719.53

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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.