Home / 13,256.63-18,294.57-7,288.73

Finding the Fourth Proportional to 13,256.63, 18,294.57 and 7,288.73

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Solution

The fourth proportional to 13,256.63, 18,294.57 and 7,288.73 is: 10,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.63 : 18,294.57 = 7,288.73 : x
  2. Step 2: Convert to fraction form
    13,256.63/18,294.57 = 7,288.73/x
  3. Step 3: Cross multiply
    13,256.63x = 18,294.57 × 7,288.73
  4. Step 4: Simplify right side
    13,256.63x = 133,344,089.72
  5. Step 5: Solve for x
    x = 133,344,089.72/13,256.63
  6. Step 6: Final answer
    x = 10,058.68

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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.