Home / 10,054.02-15,082.20-3,818.70

Finding the Fourth Proportional to 10,054.02, 15,082.20 and 3,818.70

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Solution

The fourth proportional to 10,054.02, 15,082.20 and 3,818.70 is: 5,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.02 : 15,082.20 = 3,818.70 : x
  2. Step 2: Convert to fraction form
    10,054.02/15,082.20 = 3,818.70/x
  3. Step 3: Cross multiply
    10,054.02x = 15,082.20 × 3,818.70
  4. Step 4: Simplify right side
    10,054.02x = 57,594,397.14
  5. Step 5: Solve for x
    x = 57,594,397.14/10,054.02
  6. Step 6: Final answer
    x = 5,728.49

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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.