Home / 10,070.70-15,111.45-4,227.90

Finding the Fourth Proportional to 10,070.70, 15,111.45 and 4,227.90

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Solution

The fourth proportional to 10,070.70, 15,111.45 and 4,227.90 is: 6,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.70 : 15,111.45 = 4,227.90 : x
  2. Step 2: Convert to fraction form
    10,070.70/15,111.45 = 4,227.90/x
  3. Step 3: Cross multiply
    10,070.70x = 15,111.45 × 4,227.90
  4. Step 4: Simplify right side
    10,070.70x = 63,889,699.46
  5. Step 5: Solve for x
    x = 63,889,699.46/10,070.70
  6. Step 6: Final answer
    x = 6,344.12

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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.