Home / 13,250.70-18,287.13-7,283.53

Finding the Fourth Proportional to 13,250.70, 18,287.13 and 7,283.53

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Solution

The fourth proportional to 13,250.70, 18,287.13 and 7,283.53 is: 10,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.70 : 18,287.13 = 7,283.53 : x
  2. Step 2: Convert to fraction form
    13,250.70/18,287.13 = 7,283.53/x
  3. Step 3: Cross multiply
    13,250.70x = 18,287.13 × 7,283.53
  4. Step 4: Simplify right side
    13,250.70x = 133,194,732.12
  5. Step 5: Solve for x
    x = 133,194,732.12/13,250.70
  6. Step 6: Final answer
    x = 10,051.91

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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.