Home / 17,166.15-25,686.65-14,176.80

Finding the Fourth Proportional to 17,166.15, 25,686.65 and 14,176.80

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Solution

The fourth proportional to 17,166.15, 25,686.65 and 14,176.80 is: 21,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.15 : 25,686.65 = 14,176.80 : x
  2. Step 2: Convert to fraction form
    17,166.15/25,686.65 = 14,176.80/x
  3. Step 3: Cross multiply
    17,166.15x = 25,686.65 × 14,176.80
  4. Step 4: Simplify right side
    17,166.15x = 364,154,535.16
  5. Step 5: Solve for x
    x = 364,154,535.16/17,166.15
  6. Step 6: Final answer
    x = 21,213.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.