Home / 18,806.64-25,962.84-13,242.48

Finding the Fourth Proportional to 18,806.64, 25,962.84 and 13,242.48

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Solution

The fourth proportional to 18,806.64, 25,962.84 and 13,242.48 is: 18,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.64 : 25,962.84 = 13,242.48 : x
  2. Step 2: Convert to fraction form
    18,806.64/25,962.84 = 13,242.48/x
  3. Step 3: Cross multiply
    18,806.64x = 25,962.84 × 13,242.48
  4. Step 4: Simplify right side
    18,806.64x = 343,812,389.44
  5. Step 5: Solve for x
    x = 343,812,389.44/18,806.64
  6. Step 6: Final answer
    x = 18,281.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.