Home / 13,274.51-18,318.89-7,306.03

Finding the Fourth Proportional to 13,274.51, 18,318.89 and 7,306.03

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Solution

The fourth proportional to 13,274.51, 18,318.89 and 7,306.03 is: 10,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.51 : 18,318.89 = 7,306.03 : x
  2. Step 2: Convert to fraction form
    13,274.51/18,318.89 = 7,306.03/x
  3. Step 3: Cross multiply
    13,274.51x = 18,318.89 × 7,306.03
  4. Step 4: Simplify right side
    13,274.51x = 133,838,359.91
  5. Step 5: Solve for x
    x = 133,838,359.91/13,274.51
  6. Step 6: Final answer
    x = 10,082.36

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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.