Home / 11,929.20-16,452.76-7,444.40

Finding the Fourth Proportional to 11,929.20, 16,452.76 and 7,444.40

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Solution

The fourth proportional to 11,929.20, 16,452.76 and 7,444.40 is: 10,267.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.20 : 16,452.76 = 7,444.40 : x
  2. Step 2: Convert to fraction form
    11,929.20/16,452.76 = 7,444.40/x
  3. Step 3: Cross multiply
    11,929.20x = 16,452.76 × 7,444.40
  4. Step 4: Simplify right side
    11,929.20x = 122,480,926.54
  5. Step 5: Solve for x
    x = 122,480,926.54/11,929.20
  6. Step 6: Final answer
    x = 10,267.32

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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.