Home / 15,505.78-23,258.76-3,818.92

Finding the Fourth Proportional to 15,505.78, 23,258.76 and 3,818.92

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Solution

The fourth proportional to 15,505.78, 23,258.76 and 3,818.92 is: 5,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.78 : 23,258.76 = 3,818.92 : x
  2. Step 2: Convert to fraction form
    15,505.78/23,258.76 = 3,818.92/x
  3. Step 3: Cross multiply
    15,505.78x = 23,258.76 × 3,818.92
  4. Step 4: Simplify right side
    15,505.78x = 88,823,343.74
  5. Step 5: Solve for x
    x = 88,823,343.74/15,505.78
  6. Step 6: Final answer
    x = 5,728.40

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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.