Home / 10,258.88-15,376.17-4,707.55

Finding the Fourth Proportional to 10,258.88, 15,376.17 and 4,707.55

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Solution

The fourth proportional to 10,258.88, 15,376.17 and 4,707.55 is: 7,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.88 : 15,376.17 = 4,707.55 : x
  2. Step 2: Convert to fraction form
    10,258.88/15,376.17 = 4,707.55/x
  3. Step 3: Cross multiply
    10,258.88x = 15,376.17 × 4,707.55
  4. Step 4: Simplify right side
    10,258.88x = 72,384,012.20
  5. Step 5: Solve for x
    x = 72,384,012.20/10,258.88
  6. Step 6: Final answer
    x = 7,055.74

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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.