Home / 14,970.24-20,658.60-8,255.70

Finding the Fourth Proportional to 14,970.24, 20,658.60 and 8,255.70

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Solution

The fourth proportional to 14,970.24, 20,658.60 and 8,255.70 is: 11,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.24 : 20,658.60 = 8,255.70 : x
  2. Step 2: Convert to fraction form
    14,970.24/20,658.60 = 8,255.70/x
  3. Step 3: Cross multiply
    14,970.24x = 20,658.60 × 8,255.70
  4. Step 4: Simplify right side
    14,970.24x = 170,551,204.02
  5. Step 5: Solve for x
    x = 170,551,204.02/14,970.24
  6. Step 6: Final answer
    x = 11,392.68

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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.