Home / 13,521.15-20,260.82-10,552.56

Finding the Fourth Proportional to 13,521.15, 20,260.82 and 10,552.56

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Solution

The fourth proportional to 13,521.15, 20,260.82 and 10,552.56 is: 15,812.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521.15 : 20,260.82 = 10,552.56 : x
  2. Step 2: Convert to fraction form
    13,521.15/20,260.82 = 10,552.56/x
  3. Step 3: Cross multiply
    13,521.15x = 20,260.82 × 10,552.56
  4. Step 4: Simplify right side
    13,521.15x = 213,803,417.40
  5. Step 5: Solve for x
    x = 213,803,417.40/13,521.15
  6. Step 6: Final answer
    x = 15,812.52

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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.