Home / 16,128.18-22,254.75-8,958.02

Finding the Fourth Proportional to 16,128.18, 22,254.75 and 8,958.02

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Solution

The fourth proportional to 16,128.18, 22,254.75 and 8,958.02 is: 12,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.18 : 22,254.75 = 8,958.02 : x
  2. Step 2: Convert to fraction form
    16,128.18/22,254.75 = 8,958.02/x
  3. Step 3: Cross multiply
    16,128.18x = 22,254.75 × 8,958.02
  4. Step 4: Simplify right side
    16,128.18x = 199,358,384.32
  5. Step 5: Solve for x
    x = 199,358,384.32/16,128.18
  6. Step 6: Final answer
    x = 12,360.87

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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.