Home / 10,010.16-15,010.20-3,434.40

Finding the Fourth Proportional to 10,010.16, 15,010.20 and 3,434.40

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Solution

The fourth proportional to 10,010.16, 15,010.20 and 3,434.40 is: 5,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.16 : 15,010.20 = 3,434.40 : x
  2. Step 2: Convert to fraction form
    10,010.16/15,010.20 = 3,434.40/x
  3. Step 3: Cross multiply
    10,010.16x = 15,010.20 × 3,434.40
  4. Step 4: Simplify right side
    10,010.16x = 51,551,030.88
  5. Step 5: Solve for x
    x = 51,551,030.88/10,010.16
  6. Step 6: Final answer
    x = 5,149.87

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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.