Home / 16,070.60-22,176.78-9,356.42

Finding the Fourth Proportional to 16,070.60, 22,176.78 and 9,356.42

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Solution

The fourth proportional to 16,070.60, 22,176.78 and 9,356.42 is: 12,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,070.60 : 22,176.78 = 9,356.42 : x
  2. Step 2: Convert to fraction form
    16,070.60/22,176.78 = 9,356.42/x
  3. Step 3: Cross multiply
    16,070.60x = 22,176.78 × 9,356.42
  4. Step 4: Simplify right side
    16,070.60x = 207,495,267.93
  5. Step 5: Solve for x
    x = 207,495,267.93/16,070.60
  6. Step 6: Final answer
    x = 12,911.48

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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.