Home / 15,009.05-22,516.59-4,479.23

Finding the Fourth Proportional to 15,009.05, 22,516.59 and 4,479.23

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Solution

The fourth proportional to 15,009.05, 22,516.59 and 4,479.23 is: 6,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.05 : 22,516.59 = 4,479.23 : x
  2. Step 2: Convert to fraction form
    15,009.05/22,516.59 = 4,479.23/x
  3. Step 3: Cross multiply
    15,009.05x = 22,516.59 × 4,479.23
  4. Step 4: Simplify right side
    15,009.05x = 100,856,985.43
  5. Step 5: Solve for x
    x = 100,856,985.43/15,009.05
  6. Step 6: Final answer
    x = 6,719.74

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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.