Home / 16,030.25-22,121.80-8,956.79

Finding the Fourth Proportional to 16,030.25, 22,121.80 and 8,956.79

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Solution

The fourth proportional to 16,030.25, 22,121.80 and 8,956.79 is: 12,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,030.25 : 22,121.80 = 8,956.79 : x
  2. Step 2: Convert to fraction form
    16,030.25/22,121.80 = 8,956.79/x
  3. Step 3: Cross multiply
    16,030.25x = 22,121.80 × 8,956.79
  4. Step 4: Simplify right side
    16,030.25x = 198,140,184.02
  5. Step 5: Solve for x
    x = 198,140,184.02/16,030.25
  6. Step 6: Final answer
    x = 12,360.40

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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.