Home / 10,089.10-15,145.80-10,016.20

Finding the Fourth Proportional to 10,089.10, 15,145.80 and 10,016.20

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Solution

The fourth proportional to 10,089.10, 15,145.80 and 10,016.20 is: 15,036.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.10 : 15,145.80 = 10,016.20 : x
  2. Step 2: Convert to fraction form
    10,089.10/15,145.80 = 10,016.20/x
  3. Step 3: Cross multiply
    10,089.10x = 15,145.80 × 10,016.20
  4. Step 4: Simplify right side
    10,089.10x = 151,703,361.96
  5. Step 5: Solve for x
    x = 151,703,361.96/10,089.10
  6. Step 6: Final answer
    x = 15,036.36

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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.