Home / 12,910.23-19,340.28-7,560.48

Finding the Fourth Proportional to 12,910.23, 19,340.28 and 7,560.48

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Solution

The fourth proportional to 12,910.23, 19,340.28 and 7,560.48 is: 11,326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.23 : 19,340.28 = 7,560.48 : x
  2. Step 2: Convert to fraction form
    12,910.23/19,340.28 = 7,560.48/x
  3. Step 3: Cross multiply
    12,910.23x = 19,340.28 × 7,560.48
  4. Step 4: Simplify right side
    12,910.23x = 146,221,800.13
  5. Step 5: Solve for x
    x = 146,221,800.13/12,910.23
  6. Step 6: Final answer
    x = 11,326.04

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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.