Home / 14,701.18-20,293.86-9,394.78

Finding the Fourth Proportional to 14,701.18, 20,293.86 and 9,394.78

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Solution

The fourth proportional to 14,701.18, 20,293.86 and 9,394.78 is: 12,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,701.18 : 20,293.86 = 9,394.78 : x
  2. Step 2: Convert to fraction form
    14,701.18/20,293.86 = 9,394.78/x
  3. Step 3: Cross multiply
    14,701.18x = 20,293.86 × 9,394.78
  4. Step 4: Simplify right side
    14,701.18x = 190,656,350.05
  5. Step 5: Solve for x
    x = 190,656,350.05/14,701.18
  6. Step 6: Final answer
    x = 12,968.78

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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.