Home / 16,153.08-22,289.31-8,981.20

Finding the Fourth Proportional to 16,153.08, 22,289.31 and 8,981.20

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Solution

The fourth proportional to 16,153.08, 22,289.31 and 8,981.20 is: 12,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,153.08 : 22,289.31 = 8,981.20 : x
  2. Step 2: Convert to fraction form
    16,153.08/22,289.31 = 8,981.20/x
  3. Step 3: Cross multiply
    16,153.08x = 22,289.31 × 8,981.20
  4. Step 4: Simplify right side
    16,153.08x = 200,184,750.97
  5. Step 5: Solve for x
    x = 200,184,750.97/16,153.08
  6. Step 6: Final answer
    x = 12,392.98

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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.