Home / 10,068.48-15,104.16-3,142.08

Finding the Fourth Proportional to 10,068.48, 15,104.16 and 3,142.08

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Solution

The fourth proportional to 10,068.48, 15,104.16 and 3,142.08 is: 4,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.48 : 15,104.16 = 3,142.08 : x
  2. Step 2: Convert to fraction form
    10,068.48/15,104.16 = 3,142.08/x
  3. Step 3: Cross multiply
    10,068.48x = 15,104.16 × 3,142.08
  4. Step 4: Simplify right side
    10,068.48x = 47,458,479.05
  5. Step 5: Solve for x
    x = 47,458,479.05/10,068.48
  6. Step 6: Final answer
    x = 4,713.57

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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.