Home / 10,090.38-15,135.56-3,070.38

Finding the Fourth Proportional to 10,090.38, 15,135.56 and 3,070.38

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Solution

The fourth proportional to 10,090.38, 15,135.56 and 3,070.38 is: 4,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.38 : 15,135.56 = 3,070.38 : x
  2. Step 2: Convert to fraction form
    10,090.38/15,135.56 = 3,070.38/x
  3. Step 3: Cross multiply
    10,090.38x = 15,135.56 × 3,070.38
  4. Step 4: Simplify right side
    10,090.38x = 46,471,920.71
  5. Step 5: Solve for x
    x = 46,471,920.71/10,090.38
  6. Step 6: Final answer
    x = 4,605.57

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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.