Home / 10,358.24-15,539.27-9,419.24

Finding the Fourth Proportional to 10,358.24, 15,539.27 and 9,419.24

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Solution

The fourth proportional to 10,358.24, 15,539.27 and 9,419.24 is: 14,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.24 : 15,539.27 = 9,419.24 : x
  2. Step 2: Convert to fraction form
    10,358.24/15,539.27 = 9,419.24/x
  3. Step 3: Cross multiply
    10,358.24x = 15,539.27 × 9,419.24
  4. Step 4: Simplify right side
    10,358.24x = 146,367,988.76
  5. Step 5: Solve for x
    x = 146,367,988.76/10,358.24
  6. Step 6: Final answer
    x = 14,130.59

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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.