Home / 18,265.80-27,374.40-13,065.60

Finding the Fourth Proportional to 18,265.80, 27,374.40 and 13,065.60

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Solution

The fourth proportional to 18,265.80, 27,374.40 and 13,065.60 is: 19,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.80 : 27,374.40 = 13,065.60 : x
  2. Step 2: Convert to fraction form
    18,265.80/27,374.40 = 13,065.60/x
  3. Step 3: Cross multiply
    18,265.80x = 27,374.40 × 13,065.60
  4. Step 4: Simplify right side
    18,265.80x = 357,662,960.64
  5. Step 5: Solve for x
    x = 357,662,960.64/18,265.80
  6. Step 6: Final answer
    x = 19,581.02

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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.