Home / 10,792.95-16,191.47-4,218.72

Finding the Fourth Proportional to 10,792.95, 16,191.47 and 4,218.72

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Solution

The fourth proportional to 10,792.95, 16,191.47 and 4,218.72 is: 6,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,792.95 : 16,191.47 = 4,218.72 : x
  2. Step 2: Convert to fraction form
    10,792.95/16,191.47 = 4,218.72/x
  3. Step 3: Cross multiply
    10,792.95x = 16,191.47 × 4,218.72
  4. Step 4: Simplify right side
    10,792.95x = 68,307,278.32
  5. Step 5: Solve for x
    x = 68,307,278.32/10,792.95
  6. Step 6: Final answer
    x = 6,328.88

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1.5x scale

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.