Home / 13,108.05-19,648.23-8,937.72

Finding the Fourth Proportional to 13,108.05, 19,648.23 and 8,937.72

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Solution

The fourth proportional to 13,108.05, 19,648.23 and 8,937.72 is: 13,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.05 : 19,648.23 = 8,937.72 : x
  2. Step 2: Convert to fraction form
    13,108.05/19,648.23 = 8,937.72/x
  3. Step 3: Cross multiply
    13,108.05x = 19,648.23 × 8,937.72
  4. Step 4: Simplify right side
    13,108.05x = 175,610,378.24
  5. Step 5: Solve for x
    x = 175,610,378.24/13,108.05
  6. Step 6: Final answer
    x = 13,397.14

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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.