Home / 16,394.85-22,570.17-15,641.64

Finding the Fourth Proportional to 16,394.85, 22,570.17 and 15,641.64

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Solution

The fourth proportional to 16,394.85, 22,570.17 and 15,641.64 is: 21,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,394.85 : 22,570.17 = 15,641.64 : x
  2. Step 2: Convert to fraction form
    16,394.85/22,570.17 = 15,641.64/x
  3. Step 3: Cross multiply
    16,394.85x = 22,570.17 × 15,641.64
  4. Step 4: Simplify right side
    16,394.85x = 353,034,459.21
  5. Step 5: Solve for x
    x = 353,034,459.21/16,394.85
  6. Step 6: Final answer
    x = 21,533.26

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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.