Home / 13,254.68-18,293.28-7,668.92

Finding the Fourth Proportional to 13,254.68, 18,293.28 and 7,668.92

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Solution

The fourth proportional to 13,254.68, 18,293.28 and 7,668.92 is: 10,584.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.68 : 18,293.28 = 7,668.92 : x
  2. Step 2: Convert to fraction form
    13,254.68/18,293.28 = 7,668.92/x
  3. Step 3: Cross multiply
    13,254.68x = 18,293.28 × 7,668.92
  4. Step 4: Simplify right side
    13,254.68x = 140,289,700.86
  5. Step 5: Solve for x
    x = 140,289,700.86/13,254.68
  6. Step 6: Final answer
    x = 10,584.16

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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.