Home / 15,505.53-23,258.31-3,818.76

Finding the Fourth Proportional to 15,505.53, 23,258.31 and 3,818.76

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Solution

The fourth proportional to 15,505.53, 23,258.31 and 3,818.76 is: 5,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.53 : 23,258.31 = 3,818.76 : x
  2. Step 2: Convert to fraction form
    15,505.53/23,258.31 = 3,818.76/x
  3. Step 3: Cross multiply
    15,505.53x = 23,258.31 × 3,818.76
  4. Step 4: Simplify right side
    15,505.53x = 88,817,903.90
  5. Step 5: Solve for x
    x = 88,817,903.90/15,505.53
  6. Step 6: Final answer
    x = 5,728.14

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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.