Home / 13,256.82-18,294.18-7,289.04

Finding the Fourth Proportional to 13,256.82, 18,294.18 and 7,289.04

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Solution

The fourth proportional to 13,256.82, 18,294.18 and 7,289.04 is: 10,058.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.82 : 18,294.18 = 7,289.04 : x
  2. Step 2: Convert to fraction form
    13,256.82/18,294.18 = 7,289.04/x
  3. Step 3: Cross multiply
    13,256.82x = 18,294.18 × 7,289.04
  4. Step 4: Simplify right side
    13,256.82x = 133,347,009.79
  5. Step 5: Solve for x
    x = 133,347,009.79/13,256.82
  6. Step 6: Final answer
    x = 10,058.75

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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.