Home / 13,539.50-20,300.61-6,505.52

Finding the Fourth Proportional to 13,539.50, 20,300.61 and 6,505.52

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Solution

The fourth proportional to 13,539.50, 20,300.61 and 6,505.52 is: 9,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539.50 : 20,300.61 = 6,505.52 : x
  2. Step 2: Convert to fraction form
    13,539.50/20,300.61 = 6,505.52/x
  3. Step 3: Cross multiply
    13,539.50x = 20,300.61 × 6,505.52
  4. Step 4: Simplify right side
    13,539.50x = 132,066,024.37
  5. Step 5: Solve for x
    x = 132,066,024.37/13,539.50
  6. Step 6: Final answer
    x = 9,754.13

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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.