Home / 15,257.12-22,888.16-4,724.68

Finding the Fourth Proportional to 15,257.12, 22,888.16 and 4,724.68

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Solution

The fourth proportional to 15,257.12, 22,888.16 and 4,724.68 is: 7,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257.12 : 22,888.16 = 4,724.68 : x
  2. Step 2: Convert to fraction form
    15,257.12/22,888.16 = 4,724.68/x
  3. Step 3: Cross multiply
    15,257.12x = 22,888.16 × 4,724.68
  4. Step 4: Simplify right side
    15,257.12x = 108,139,231.79
  5. Step 5: Solve for x
    x = 108,139,231.79/15,257.12
  6. Step 6: Final answer
    x = 7,087.79

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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.