Home / 15,214.72-22,783.52-12,743.36

Finding the Fourth Proportional to 15,214.72, 22,783.52 and 12,743.36

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Solution

The fourth proportional to 15,214.72, 22,783.52 and 12,743.36 is: 19,082.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.72 : 22,783.52 = 12,743.36 : x
  2. Step 2: Convert to fraction form
    15,214.72/22,783.52 = 12,743.36/x
  3. Step 3: Cross multiply
    15,214.72x = 22,783.52 × 12,743.36
  4. Step 4: Simplify right side
    15,214.72x = 290,338,597.43
  5. Step 5: Solve for x
    x = 290,338,597.43/15,214.72
  6. Step 6: Final answer
    x = 19,082.74

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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.