Home / 15,599.39-23,378.69-13,620.02

Finding the Fourth Proportional to 15,599.39, 23,378.69 and 13,620.02

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Solution

The fourth proportional to 15,599.39, 23,378.69 and 13,620.02 is: 20,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.39 : 23,378.69 = 13,620.02 : x
  2. Step 2: Convert to fraction form
    15,599.39/23,378.69 = 13,620.02/x
  3. Step 3: Cross multiply
    15,599.39x = 23,378.69 × 13,620.02
  4. Step 4: Simplify right side
    15,599.39x = 318,418,142.53
  5. Step 5: Solve for x
    x = 318,418,142.53/15,599.39
  6. Step 6: Final answer
    x = 20,412.22

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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.