Home / 10,323.60-14,247.36-6,289.92

Finding the Fourth Proportional to 10,323.60, 14,247.36 and 6,289.92

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Solution

The fourth proportional to 10,323.60, 14,247.36 and 6,289.92 is: 8,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.60 : 14,247.36 = 6,289.92 : x
  2. Step 2: Convert to fraction form
    10,323.60/14,247.36 = 6,289.92/x
  3. Step 3: Cross multiply
    10,323.60x = 14,247.36 × 6,289.92
  4. Step 4: Simplify right side
    10,323.60x = 89,614,754.61
  5. Step 5: Solve for x
    x = 89,614,754.61/10,323.60
  6. Step 6: Final answer
    x = 8,680.57

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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.