Home / 13,599.32-20,399-4,834.24

Finding the Fourth Proportional to 13,599.32, 20,399 and 4,834.24

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Solution

The fourth proportional to 13,599.32, 20,399 and 4,834.24 is: 7,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.32 : 20,399 = 4,834.24 : x
  2. Step 2: Convert to fraction form
    13,599.32/20,399 = 4,834.24/x
  3. Step 3: Cross multiply
    13,599.32x = 20,399 × 4,834.24
  4. Step 4: Simplify right side
    13,599.32x = 98,613,661.76
  5. Step 5: Solve for x
    x = 98,613,661.76/13,599.32
  6. Step 6: Final answer
    x = 7,251.37

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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.