Home / 10,360.20-15,538.65-3,434.70

Finding the Fourth Proportional to 10,360.20, 15,538.65 and 3,434.70

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Solution

The fourth proportional to 10,360.20, 15,538.65 and 3,434.70 is: 5,151.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.20 : 15,538.65 = 3,434.70 : x
  2. Step 2: Convert to fraction form
    10,360.20/15,538.65 = 3,434.70/x
  3. Step 3: Cross multiply
    10,360.20x = 15,538.65 × 3,434.70
  4. Step 4: Simplify right side
    10,360.20x = 53,370,601.16
  5. Step 5: Solve for x
    x = 53,370,601.16/10,360.20
  6. Step 6: Final answer
    x = 5,151.50

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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.