Home / 13,574.12-20,350.74-6,550.52

Finding the Fourth Proportional to 13,574.12, 20,350.74 and 6,550.52

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Solution

The fourth proportional to 13,574.12, 20,350.74 and 6,550.52 is: 9,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.12 : 20,350.74 = 6,550.52 : x
  2. Step 2: Convert to fraction form
    13,574.12/20,350.74 = 6,550.52/x
  3. Step 3: Cross multiply
    13,574.12x = 20,350.74 × 6,550.52
  4. Step 4: Simplify right side
    13,574.12x = 133,307,929.38
  5. Step 5: Solve for x
    x = 133,307,929.38/13,574.12
  6. Step 6: Final answer
    x = 9,820.74

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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.