Home / 20,319.68-30,468.29-6,275.81

Finding the Fourth Proportional to 20,319.68, 30,468.29 and 6,275.81

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Solution

The fourth proportional to 20,319.68, 30,468.29 and 6,275.81 is: 9,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,319.68 : 30,468.29 = 6,275.81 : x
  2. Step 2: Convert to fraction form
    20,319.68/30,468.29 = 6,275.81/x
  3. Step 3: Cross multiply
    20,319.68x = 30,468.29 × 6,275.81
  4. Step 4: Simplify right side
    20,319.68x = 191,213,243.86
  5. Step 5: Solve for x
    x = 191,213,243.86/20,319.68
  6. Step 6: Final answer
    x = 9,410.25

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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.