Home / 13,265.61-18,306.96-7,297.74

Finding the Fourth Proportional to 13,265.61, 18,306.96 and 7,297.74

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Solution

The fourth proportional to 13,265.61, 18,306.96 and 7,297.74 is: 10,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.61 : 18,306.96 = 7,297.74 : x
  2. Step 2: Convert to fraction form
    13,265.61/18,306.96 = 7,297.74/x
  3. Step 3: Cross multiply
    13,265.61x = 18,306.96 × 7,297.74
  4. Step 4: Simplify right side
    13,265.61x = 133,599,434.27
  5. Step 5: Solve for x
    x = 133,599,434.27/13,265.61
  6. Step 6: Final answer
    x = 10,071.11

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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.