Home / 13,270.77-18,306.81-9,283.14

Finding the Fourth Proportional to 13,270.77, 18,306.81 and 9,283.14

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Solution

The fourth proportional to 13,270.77, 18,306.81 and 9,283.14 is: 12,805.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.77 : 18,306.81 = 9,283.14 : x
  2. Step 2: Convert to fraction form
    13,270.77/18,306.81 = 9,283.14/x
  3. Step 3: Cross multiply
    13,270.77x = 18,306.81 × 9,283.14
  4. Step 4: Simplify right side
    13,270.77x = 169,944,680.18
  5. Step 5: Solve for x
    x = 169,944,680.18/13,270.77
  6. Step 6: Final answer
    x = 12,805.94

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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.