Home / 14,712.48-22,081.20-6,399.18

Finding the Fourth Proportional to 14,712.48, 22,081.20 and 6,399.18

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Solution

The fourth proportional to 14,712.48, 22,081.20 and 6,399.18 is: 9,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.48 : 22,081.20 = 6,399.18 : x
  2. Step 2: Convert to fraction form
    14,712.48/22,081.20 = 6,399.18/x
  3. Step 3: Cross multiply
    14,712.48x = 22,081.20 × 6,399.18
  4. Step 4: Simplify right side
    14,712.48x = 141,301,573.42
  5. Step 5: Solve for x
    x = 141,301,573.42/14,712.48
  6. Step 6: Final answer
    x = 9,604.20

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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.