Home / 13,265.61-18,301.98-8,228.01

Finding the Fourth Proportional to 13,265.61, 18,301.98 and 8,228.01

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Solution

The fourth proportional to 13,265.61, 18,301.98 and 8,228.01 is: 11,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.61 : 18,301.98 = 8,228.01 : x
  2. Step 2: Convert to fraction form
    13,265.61/18,301.98 = 8,228.01/x
  3. Step 3: Cross multiply
    13,265.61x = 18,301.98 × 8,228.01
  4. Step 4: Simplify right side
    13,265.61x = 150,588,973.95
  5. Step 5: Solve for x
    x = 150,588,973.95/13,265.61
  6. Step 6: Final answer
    x = 11,351.84

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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.