Home / 10,512.51-15,769.08-2,721.35

Finding the Fourth Proportional to 10,512.51, 15,769.08 and 2,721.35

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Solution

The fourth proportional to 10,512.51, 15,769.08 and 2,721.35 is: 4,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.51 : 15,769.08 = 2,721.35 : x
  2. Step 2: Convert to fraction form
    10,512.51/15,769.08 = 2,721.35/x
  3. Step 3: Cross multiply
    10,512.51x = 15,769.08 × 2,721.35
  4. Step 4: Simplify right side
    10,512.51x = 42,913,107.01
  5. Step 5: Solve for x
    x = 42,913,107.01/10,512.51
  6. Step 6: Final answer
    x = 4,082.10

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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.