Home / 15,325.38-21,148.43-9,367.02

Finding the Fourth Proportional to 15,325.38, 21,148.43 and 9,367.02

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Solution

The fourth proportional to 15,325.38, 21,148.43 and 9,367.02 is: 12,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,325.38 : 21,148.43 = 9,367.02 : x
  2. Step 2: Convert to fraction form
    15,325.38/21,148.43 = 9,367.02/x
  3. Step 3: Cross multiply
    15,325.38x = 21,148.43 × 9,367.02
  4. Step 4: Simplify right side
    15,325.38x = 198,097,719.94
  5. Step 5: Solve for x
    x = 198,097,719.94/15,325.38
  6. Step 6: Final answer
    x = 12,926.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.