Home / 9,295.92-12,818.40-7,403.76

Finding the Fourth Proportional to 9,295.92, 12,818.40 and 7,403.76

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Solution

The fourth proportional to 9,295.92, 12,818.40 and 7,403.76 is: 10,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.92 : 12,818.40 = 7,403.76 : x
  2. Step 2: Convert to fraction form
    9,295.92/12,818.40 = 7,403.76/x
  3. Step 3: Cross multiply
    9,295.92x = 12,818.40 × 7,403.76
  4. Step 4: Simplify right side
    9,295.92x = 94,904,357.18
  5. Step 5: Solve for x
    x = 94,904,357.18/9,295.92
  6. Step 6: Final answer
    x = 10,209.25

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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.