Home / 13,536.02-20,301.55-6,138.70

Finding the Fourth Proportional to 13,536.02, 20,301.55 and 6,138.70

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Solution

The fourth proportional to 13,536.02, 20,301.55 and 6,138.70 is: 9,206.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.02 : 20,301.55 = 6,138.70 : x
  2. Step 2: Convert to fraction form
    13,536.02/20,301.55 = 6,138.70/x
  3. Step 3: Cross multiply
    13,536.02x = 20,301.55 × 6,138.70
  4. Step 4: Simplify right side
    13,536.02x = 124,625,124.99
  5. Step 5: Solve for x
    x = 124,625,124.99/13,536.02
  6. Step 6: Final answer
    x = 9,206.93

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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.