Home / 10,717.95-16,081.47-4,479.21

Finding the Fourth Proportional to 10,717.95, 16,081.47 and 4,479.21

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Solution

The fourth proportional to 10,717.95, 16,081.47 and 4,479.21 is: 6,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.95 : 16,081.47 = 4,479.21 : x
  2. Step 2: Convert to fraction form
    10,717.95/16,081.47 = 4,479.21/x
  3. Step 3: Cross multiply
    10,717.95x = 16,081.47 × 4,479.21
  4. Step 4: Simplify right side
    10,717.95x = 72,032,281.24
  5. Step 5: Solve for x
    x = 72,032,281.24/10,717.95
  6. Step 6: Final answer
    x = 6,720.71

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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.