Home / 14,279.60-21,419.40-14,060.90

Finding the Fourth Proportional to 14,279.60, 21,419.40 and 14,060.90

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Solution

The fourth proportional to 14,279.60, 21,419.40 and 14,060.90 is: 21,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.60 : 21,419.40 = 14,060.90 : x
  2. Step 2: Convert to fraction form
    14,279.60/21,419.40 = 14,060.90/x
  3. Step 3: Cross multiply
    14,279.60x = 21,419.40 × 14,060.90
  4. Step 4: Simplify right side
    14,279.60x = 301,176,041.46
  5. Step 5: Solve for x
    x = 301,176,041.46/14,279.60
  6. Step 6: Final answer
    x = 21,091.35

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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.