Home / 9,390.92-14,088.54-3,151.76

Finding the Fourth Proportional to 9,390.92, 14,088.54 and 3,151.76

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Solution

The fourth proportional to 9,390.92, 14,088.54 and 3,151.76 is: 4,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.92 : 14,088.54 = 3,151.76 : x
  2. Step 2: Convert to fraction form
    9,390.92/14,088.54 = 3,151.76/x
  3. Step 3: Cross multiply
    9,390.92x = 14,088.54 × 3,151.76
  4. Step 4: Simplify right side
    9,390.92x = 44,403,696.83
  5. Step 5: Solve for x
    x = 44,403,696.83/9,390.92
  6. Step 6: Final answer
    x = 4,728.36

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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.