Home / 10,419.88-15,596.26-6,864.93

Finding the Fourth Proportional to 10,419.88, 15,596.26 and 6,864.93

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Solution

The fourth proportional to 10,419.88, 15,596.26 and 6,864.93 is: 10,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419.88 : 15,596.26 = 6,864.93 : x
  2. Step 2: Convert to fraction form
    10,419.88/15,596.26 = 6,864.93/x
  3. Step 3: Cross multiply
    10,419.88x = 15,596.26 × 6,864.93
  4. Step 4: Simplify right side
    10,419.88x = 107,067,254.99
  5. Step 5: Solve for x
    x = 107,067,254.99/10,419.88
  6. Step 6: Final answer
    x = 10,275.29

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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.