Home / 14,717.95-20,310.33-8,345.12

Finding the Fourth Proportional to 14,717.95, 20,310.33 and 8,345.12

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Solution

The fourth proportional to 14,717.95, 20,310.33 and 8,345.12 is: 11,516.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,717.95 : 20,310.33 = 8,345.12 : x
  2. Step 2: Convert to fraction form
    14,717.95/20,310.33 = 8,345.12/x
  3. Step 3: Cross multiply
    14,717.95x = 20,310.33 × 8,345.12
  4. Step 4: Simplify right side
    14,717.95x = 169,492,191.87
  5. Step 5: Solve for x
    x = 169,492,191.87/14,717.95
  6. Step 6: Final answer
    x = 11,516.02

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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.