Home / 14,770.60-20,379.78-9,026.59

Finding the Fourth Proportional to 14,770.60, 20,379.78 and 9,026.59

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Solution

The fourth proportional to 14,770.60, 20,379.78 and 9,026.59 is: 12,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.60 : 20,379.78 = 9,026.59 : x
  2. Step 2: Convert to fraction form
    14,770.60/20,379.78 = 9,026.59/x
  3. Step 3: Cross multiply
    14,770.60x = 20,379.78 × 9,026.59
  4. Step 4: Simplify right side
    14,770.60x = 183,959,867.40
  5. Step 5: Solve for x
    x = 183,959,867.40/14,770.60
  6. Step 6: Final answer
    x = 12,454.46

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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.