Home / 10,205.52-15,315.57-5,015.04

Finding the Fourth Proportional to 10,205.52, 15,315.57 and 5,015.04

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Solution

The fourth proportional to 10,205.52, 15,315.57 and 5,015.04 is: 7,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.52 : 15,315.57 = 5,015.04 : x
  2. Step 2: Convert to fraction form
    10,205.52/15,315.57 = 5,015.04/x
  3. Step 3: Cross multiply
    10,205.52x = 15,315.57 × 5,015.04
  4. Step 4: Simplify right side
    10,205.52x = 76,808,196.17
  5. Step 5: Solve for x
    x = 76,808,196.17/10,205.52
  6. Step 6: Final answer
    x = 7,526.14

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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.