Home / 9,895.29-13,655.45-5,418.96

Finding the Fourth Proportional to 9,895.29, 13,655.45 and 5,418.96

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Solution

The fourth proportional to 9,895.29, 13,655.45 and 5,418.96 is: 7,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.29 : 13,655.45 = 5,418.96 : x
  2. Step 2: Convert to fraction form
    9,895.29/13,655.45 = 5,418.96/x
  3. Step 3: Cross multiply
    9,895.29x = 13,655.45 × 5,418.96
  4. Step 4: Simplify right side
    9,895.29x = 73,998,310.24
  5. Step 5: Solve for x
    x = 73,998,310.24/9,895.29
  6. Step 6: Final answer
    x = 7,478.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.