Home / 13,256.50-18,294.39-7,288.27

Finding the Fourth Proportional to 13,256.50, 18,294.39 and 7,288.27

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Solution

The fourth proportional to 13,256.50, 18,294.39 and 7,288.27 is: 10,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.50 : 18,294.39 = 7,288.27 : x
  2. Step 2: Convert to fraction form
    13,256.50/18,294.39 = 7,288.27/x
  3. Step 3: Cross multiply
    13,256.50x = 18,294.39 × 7,288.27
  4. Step 4: Simplify right side
    13,256.50x = 133,334,453.81
  5. Step 5: Solve for x
    x = 133,334,453.81/13,256.50
  6. Step 6: Final answer
    x = 10,058.04

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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.