Home / 9,904.32-13,669.20-5,713.92

Finding the Fourth Proportional to 9,904.32, 13,669.20 and 5,713.92

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Solution

The fourth proportional to 9,904.32, 13,669.20 and 5,713.92 is: 7,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904.32 : 13,669.20 = 5,713.92 : x
  2. Step 2: Convert to fraction form
    9,904.32/13,669.20 = 5,713.92/x
  3. Step 3: Cross multiply
    9,904.32x = 13,669.20 × 5,713.92
  4. Step 4: Simplify right side
    9,904.32x = 78,104,715.26
  5. Step 5: Solve for x
    x = 78,104,715.26/9,904.32
  6. Step 6: Final answer
    x = 7,885.92

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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.