Home / 10,195.72-15,261.18-5,509.06

Finding the Fourth Proportional to 10,195.72, 15,261.18 and 5,509.06

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Solution

The fourth proportional to 10,195.72, 15,261.18 and 5,509.06 is: 8,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.72 : 15,261.18 = 5,509.06 : x
  2. Step 2: Convert to fraction form
    10,195.72/15,261.18 = 5,509.06/x
  3. Step 3: Cross multiply
    10,195.72x = 15,261.18 × 5,509.06
  4. Step 4: Simplify right side
    10,195.72x = 84,074,756.29
  5. Step 5: Solve for x
    x = 84,074,756.29/10,195.72
  6. Step 6: Final answer
    x = 8,246.08

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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.