Home / 15,184.95-22,784.01-8,156.76

Finding the Fourth Proportional to 15,184.95, 22,784.01 and 8,156.76

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Solution

The fourth proportional to 15,184.95, 22,784.01 and 8,156.76 is: 12,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.95 : 22,784.01 = 8,156.76 : x
  2. Step 2: Convert to fraction form
    15,184.95/22,784.01 = 8,156.76/x
  3. Step 3: Cross multiply
    15,184.95x = 22,784.01 × 8,156.76
  4. Step 4: Simplify right side
    15,184.95x = 185,843,756.26
  5. Step 5: Solve for x
    x = 185,843,756.26/15,184.95
  6. Step 6: Final answer
    x = 12,238.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.