Home / 10,038.12-15,057.98-3,112.52

Finding the Fourth Proportional to 10,038.12, 15,057.98 and 3,112.52

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Solution

The fourth proportional to 10,038.12, 15,057.98 and 3,112.52 is: 4,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038.12 : 15,057.98 = 3,112.52 : x
  2. Step 2: Convert to fraction form
    10,038.12/15,057.98 = 3,112.52/x
  3. Step 3: Cross multiply
    10,038.12x = 15,057.98 × 3,112.52
  4. Step 4: Simplify right side
    10,038.12x = 46,868,263.91
  5. Step 5: Solve for x
    x = 46,868,263.91/10,038.12
  6. Step 6: Final answer
    x = 4,669.03

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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.