Home / 15,015.40-22,530.14-10,087.40

Finding the Fourth Proportional to 15,015.40, 22,530.14 and 10,087.40

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Solution

The fourth proportional to 15,015.40, 22,530.14 and 10,087.40 is: 15,135.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.40 : 22,530.14 = 10,087.40 : x
  2. Step 2: Convert to fraction form
    15,015.40/22,530.14 = 10,087.40/x
  3. Step 3: Cross multiply
    15,015.40x = 22,530.14 × 10,087.40
  4. Step 4: Simplify right side
    15,015.40x = 227,270,534.24
  5. Step 5: Solve for x
    x = 227,270,534.24/15,015.40
  6. Step 6: Final answer
    x = 15,135.83

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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.