Home / 16,171.80-22,341.06-15,065.40

Finding the Fourth Proportional to 16,171.80, 22,341.06 and 15,065.40

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Solution

The fourth proportional to 16,171.80, 22,341.06 and 15,065.40 is: 20,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,171.80 : 22,341.06 = 15,065.40 : x
  2. Step 2: Convert to fraction form
    16,171.80/22,341.06 = 15,065.40/x
  3. Step 3: Cross multiply
    16,171.80x = 22,341.06 × 15,065.40
  4. Step 4: Simplify right side
    16,171.80x = 336,577,005.32
  5. Step 5: Solve for x
    x = 336,577,005.32/16,171.80
  6. Step 6: Final answer
    x = 20,812.59

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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.