Home / 10,017.84-15,028.91-2,998.40

Finding the Fourth Proportional to 10,017.84, 15,028.91 and 2,998.40

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Solution

The fourth proportional to 10,017.84, 15,028.91 and 2,998.40 is: 4,498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.84 : 15,028.91 = 2,998.40 : x
  2. Step 2: Convert to fraction form
    10,017.84/15,028.91 = 2,998.40/x
  3. Step 3: Cross multiply
    10,017.84x = 15,028.91 × 2,998.40
  4. Step 4: Simplify right side
    10,017.84x = 45,062,593.61
  5. Step 5: Solve for x
    x = 45,062,593.61/10,017.84
  6. Step 6: Final answer
    x = 4,498.23

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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.