Home / 15,244.38-21,030.57-8,953.92

Finding the Fourth Proportional to 15,244.38, 21,030.57 and 8,953.92

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Solution

The fourth proportional to 15,244.38, 21,030.57 and 8,953.92 is: 12,352.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.38 : 21,030.57 = 8,953.92 : x
  2. Step 2: Convert to fraction form
    15,244.38/21,030.57 = 8,953.92/x
  3. Step 3: Cross multiply
    15,244.38x = 21,030.57 × 8,953.92
  4. Step 4: Simplify right side
    15,244.38x = 188,306,041.33
  5. Step 5: Solve for x
    x = 188,306,041.33/15,244.38
  6. Step 6: Final answer
    x = 12,352.49

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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.