Home / 15,145.60-22,712.58-6,825.28

Finding the Fourth Proportional to 15,145.60, 22,712.58 and 6,825.28

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Solution

The fourth proportional to 15,145.60, 22,712.58 and 6,825.28 is: 10,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.60 : 22,712.58 = 6,825.28 : x
  2. Step 2: Convert to fraction form
    15,145.60/22,712.58 = 6,825.28/x
  3. Step 3: Cross multiply
    15,145.60x = 22,712.58 × 6,825.28
  4. Step 4: Simplify right side
    15,145.60x = 155,019,718.02
  5. Step 5: Solve for x
    x = 155,019,718.02/15,145.60
  6. Step 6: Final answer
    x = 10,235.30

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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.