Home / 10,354.18-15,521.14-4,112.12

Finding the Fourth Proportional to 10,354.18, 15,521.14 and 4,112.12

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Solution

The fourth proportional to 10,354.18, 15,521.14 and 4,112.12 is: 6,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.18 : 15,521.14 = 4,112.12 : x
  2. Step 2: Convert to fraction form
    10,354.18/15,521.14 = 4,112.12/x
  3. Step 3: Cross multiply
    10,354.18x = 15,521.14 × 4,112.12
  4. Step 4: Simplify right side
    10,354.18x = 63,824,790.22
  5. Step 5: Solve for x
    x = 63,824,790.22/10,354.18
  6. Step 6: Final answer
    x = 6,164.16

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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.