Home / 13,256.66-18,294.28-7,288.54

Finding the Fourth Proportional to 13,256.66, 18,294.28 and 7,288.54

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Solution

The fourth proportional to 13,256.66, 18,294.28 and 7,288.54 is: 10,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.66 : 18,294.28 = 7,288.54 : x
  2. Step 2: Convert to fraction form
    13,256.66/18,294.28 = 7,288.54/x
  3. Step 3: Cross multiply
    13,256.66x = 18,294.28 × 7,288.54
  4. Step 4: Simplify right side
    13,256.66x = 133,338,527.59
  5. Step 5: Solve for x
    x = 133,338,527.59/13,256.66
  6. Step 6: Final answer
    x = 10,058.23

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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.