Home / 13,576.72-20,368.47-9,581.90

Finding the Fourth Proportional to 13,576.72, 20,368.47 and 9,581.90

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Solution

The fourth proportional to 13,576.72, 20,368.47 and 9,581.90 is: 14,375.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.72 : 20,368.47 = 9,581.90 : x
  2. Step 2: Convert to fraction form
    13,576.72/20,368.47 = 9,581.90/x
  3. Step 3: Cross multiply
    13,576.72x = 20,368.47 × 9,581.90
  4. Step 4: Simplify right side
    13,576.72x = 195,168,642.69
  5. Step 5: Solve for x
    x = 195,168,642.69/13,576.72
  6. Step 6: Final answer
    x = 14,375.24

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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.