Home / 15,146.06-22,718.48-5,287.55

Finding the Fourth Proportional to 15,146.06, 22,718.48 and 5,287.55

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Solution

The fourth proportional to 15,146.06, 22,718.48 and 5,287.55 is: 7,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.06 : 22,718.48 = 5,287.55 : x
  2. Step 2: Convert to fraction form
    15,146.06/22,718.48 = 5,287.55/x
  3. Step 3: Cross multiply
    15,146.06x = 22,718.48 × 5,287.55
  4. Step 4: Simplify right side
    15,146.06x = 120,124,958.89
  5. Step 5: Solve for x
    x = 120,124,958.89/15,146.06
  6. Step 6: Final answer
    x = 7,931.11

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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.