Home / 10,215.12-15,295.95-6,694.05

Finding the Fourth Proportional to 10,215.12, 15,295.95 and 6,694.05

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Solution

The fourth proportional to 10,215.12, 15,295.95 and 6,694.05 is: 10,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215.12 : 15,295.95 = 6,694.05 : x
  2. Step 2: Convert to fraction form
    10,215.12/15,295.95 = 6,694.05/x
  3. Step 3: Cross multiply
    10,215.12x = 15,295.95 × 6,694.05
  4. Step 4: Simplify right side
    10,215.12x = 102,391,854.10
  5. Step 5: Solve for x
    x = 102,391,854.10/10,215.12
  6. Step 6: Final answer
    x = 10,023.56

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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.