Home / 10,068.10-15,114.30-9,995.20

Finding the Fourth Proportional to 10,068.10, 15,114.30 and 9,995.20

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Solution

The fourth proportional to 10,068.10, 15,114.30 and 9,995.20 is: 15,004.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.10 : 15,114.30 = 9,995.20 : x
  2. Step 2: Convert to fraction form
    10,068.10/15,114.30 = 9,995.20/x
  3. Step 3: Cross multiply
    10,068.10x = 15,114.30 × 9,995.20
  4. Step 4: Simplify right side
    10,068.10x = 151,070,451.36
  5. Step 5: Solve for x
    x = 151,070,451.36/10,068.10
  6. Step 6: Final answer
    x = 15,004.86

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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.