Home / 10,258.92-15,391.08-4,707.72

Finding the Fourth Proportional to 10,258.92, 15,391.08 and 4,707.72

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Solution

The fourth proportional to 10,258.92, 15,391.08 and 4,707.72 is: 7,062.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.92 : 15,391.08 = 4,707.72 : x
  2. Step 2: Convert to fraction form
    10,258.92/15,391.08 = 4,707.72/x
  3. Step 3: Cross multiply
    10,258.92x = 15,391.08 × 4,707.72
  4. Step 4: Simplify right side
    10,258.92x = 72,456,895.14
  5. Step 5: Solve for x
    x = 72,456,895.14/10,258.92
  6. Step 6: Final answer
    x = 7,062.82

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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.