Home / 15,339.42-23,009.64-4,245.18

Finding the Fourth Proportional to 15,339.42, 23,009.64 and 4,245.18

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Solution

The fourth proportional to 15,339.42, 23,009.64 and 4,245.18 is: 6,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.42 : 23,009.64 = 4,245.18 : x
  2. Step 2: Convert to fraction form
    15,339.42/23,009.64 = 4,245.18/x
  3. Step 3: Cross multiply
    15,339.42x = 23,009.64 × 4,245.18
  4. Step 4: Simplify right side
    15,339.42x = 97,680,063.54
  5. Step 5: Solve for x
    x = 97,680,063.54/15,339.42
  6. Step 6: Final answer
    x = 6,367.91

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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.