Home / 13,377.24-20,065.77-10,458

Finding the Fourth Proportional to 13,377.24, 20,065.77 and 10,458

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Solution

The fourth proportional to 13,377.24, 20,065.77 and 10,458 is: 15,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.24 : 20,065.77 = 10,458 : x
  2. Step 2: Convert to fraction form
    13,377.24/20,065.77 = 10,458/x
  3. Step 3: Cross multiply
    13,377.24x = 20,065.77 × 10,458
  4. Step 4: Simplify right side
    13,377.24x = 209,847,822.66
  5. Step 5: Solve for x
    x = 209,847,822.66/13,377.24
  6. Step 6: Final answer
    x = 15,686.93

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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.