Home / 9,666.71-13,341.17-5,418.92

Finding the Fourth Proportional to 9,666.71, 13,341.17 and 5,418.92

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Solution

The fourth proportional to 9,666.71, 13,341.17 and 5,418.92 is: 7,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666.71 : 13,341.17 = 5,418.92 : x
  2. Step 2: Convert to fraction form
    9,666.71/13,341.17 = 5,418.92/x
  3. Step 3: Cross multiply
    9,666.71x = 13,341.17 × 5,418.92
  4. Step 4: Simplify right side
    9,666.71x = 72,294,779.84
  5. Step 5: Solve for x
    x = 72,294,779.84/9,666.71
  6. Step 6: Final answer
    x = 7,478.73

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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.