Home / 10,180.70-15,266.95-4,253.71

Finding the Fourth Proportional to 10,180.70, 15,266.95 and 4,253.71

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Solution

The fourth proportional to 10,180.70, 15,266.95 and 4,253.71 is: 6,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.70 : 15,266.95 = 4,253.71 : x
  2. Step 2: Convert to fraction form
    10,180.70/15,266.95 = 4,253.71/x
  3. Step 3: Cross multiply
    10,180.70x = 15,266.95 × 4,253.71
  4. Step 4: Simplify right side
    10,180.70x = 64,941,101.55
  5. Step 5: Solve for x
    x = 64,941,101.55/10,180.70
  6. Step 6: Final answer
    x = 6,378.84

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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.