Home / 10,302.85-15,367.66-9,356.86

Finding the Fourth Proportional to 10,302.85, 15,367.66 and 9,356.86

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Solution

The fourth proportional to 10,302.85, 15,367.66 and 9,356.86 is: 13,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.85 : 15,367.66 = 9,356.86 : x
  2. Step 2: Convert to fraction form
    10,302.85/15,367.66 = 9,356.86/x
  3. Step 3: Cross multiply
    10,302.85x = 15,367.66 × 9,356.86
  4. Step 4: Simplify right side
    10,302.85x = 143,793,043.15
  5. Step 5: Solve for x
    x = 143,793,043.15/10,302.85
  6. Step 6: Final answer
    x = 13,956.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.