Home / 14,703.48-20,279.07-9,672.90

Finding the Fourth Proportional to 14,703.48, 20,279.07 and 9,672.90

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Solution

The fourth proportional to 14,703.48, 20,279.07 and 9,672.90 is: 13,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.48 : 20,279.07 = 9,672.90 : x
  2. Step 2: Convert to fraction form
    14,703.48/20,279.07 = 9,672.90/x
  3. Step 3: Cross multiply
    14,703.48x = 20,279.07 × 9,672.90
  4. Step 4: Simplify right side
    14,703.48x = 196,157,416.20
  5. Step 5: Solve for x
    x = 196,157,416.20/14,703.48
  6. Step 6: Final answer
    x = 13,340.88

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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.