Home / 13,256.61-18,294.20-7,288.33

Finding the Fourth Proportional to 13,256.61, 18,294.20 and 7,288.33

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Solution

The fourth proportional to 13,256.61, 18,294.20 and 7,288.33 is: 10,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.61 : 18,294.20 = 7,288.33 : x
  2. Step 2: Convert to fraction form
    13,256.61/18,294.20 = 7,288.33/x
  3. Step 3: Cross multiply
    13,256.61x = 18,294.20 × 7,288.33
  4. Step 4: Simplify right side
    13,256.61x = 133,334,187.14
  5. Step 5: Solve for x
    x = 133,334,187.14/13,256.61
  6. Step 6: Final answer
    x = 10,057.94

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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.