Home / 11,637.20-17,460.28-5,400.40

Finding the Fourth Proportional to 11,637.20, 17,460.28 and 5,400.40

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Solution

The fourth proportional to 11,637.20, 17,460.28 and 5,400.40 is: 8,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,637.20 : 17,460.28 = 5,400.40 : x
  2. Step 2: Convert to fraction form
    11,637.20/17,460.28 = 5,400.40/x
  3. Step 3: Cross multiply
    11,637.20x = 17,460.28 × 5,400.40
  4. Step 4: Simplify right side
    11,637.20x = 94,292,496.11
  5. Step 5: Solve for x
    x = 94,292,496.11/11,637.20
  6. Step 6: Final answer
    x = 8,102.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.