Home / 13,479.23-20,209.27-5,152.23

Finding the Fourth Proportional to 13,479.23, 20,209.27 and 5,152.23

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Solution

The fourth proportional to 13,479.23, 20,209.27 and 5,152.23 is: 7,724.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479.23 : 20,209.27 = 5,152.23 : x
  2. Step 2: Convert to fraction form
    13,479.23/20,209.27 = 5,152.23/x
  3. Step 3: Cross multiply
    13,479.23x = 20,209.27 × 5,152.23
  4. Step 4: Simplify right side
    13,479.23x = 104,122,807.17
  5. Step 5: Solve for x
    x = 104,122,807.17/13,479.23
  6. Step 6: Final answer
    x = 7,724.69

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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.