Home / 10,878.12-16,317.18-3,953.16

Finding the Fourth Proportional to 10,878.12, 16,317.18 and 3,953.16

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Solution

The fourth proportional to 10,878.12, 16,317.18 and 3,953.16 is: 5,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.12 : 16,317.18 = 3,953.16 : x
  2. Step 2: Convert to fraction form
    10,878.12/16,317.18 = 3,953.16/x
  3. Step 3: Cross multiply
    10,878.12x = 16,317.18 × 3,953.16
  4. Step 4: Simplify right side
    10,878.12x = 64,504,423.29
  5. Step 5: Solve for x
    x = 64,504,423.29/10,878.12
  6. Step 6: Final answer
    x = 5,929.74

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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.