Home / 18,307.04-27,439.29-12,065.58

Finding the Fourth Proportional to 18,307.04, 27,439.29 and 12,065.58

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Solution

The fourth proportional to 18,307.04, 27,439.29 and 12,065.58 is: 18,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.04 : 27,439.29 = 12,065.58 : x
  2. Step 2: Convert to fraction form
    18,307.04/27,439.29 = 12,065.58/x
  3. Step 3: Cross multiply
    18,307.04x = 27,439.29 × 12,065.58
  4. Step 4: Simplify right side
    18,307.04x = 331,070,948.64
  5. Step 5: Solve for x
    x = 331,070,948.64/18,307.04
  6. Step 6: Final answer
    x = 18,084.36

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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.