Home / 15,977.07-22,043.61-9,170.64

Finding the Fourth Proportional to 15,977.07, 22,043.61 and 9,170.64

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Solution

The fourth proportional to 15,977.07, 22,043.61 and 9,170.64 is: 12,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.07 : 22,043.61 = 9,170.64 : x
  2. Step 2: Convert to fraction form
    15,977.07/22,043.61 = 9,170.64/x
  3. Step 3: Cross multiply
    15,977.07x = 22,043.61 × 9,170.64
  4. Step 4: Simplify right side
    15,977.07x = 202,154,011.61
  5. Step 5: Solve for x
    x = 202,154,011.61/15,977.07
  6. Step 6: Final answer
    x = 12,652.76

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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.