Home / 11,365.68-17,047.44-3,970.20

Finding the Fourth Proportional to 11,365.68, 17,047.44 and 3,970.20

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Solution

The fourth proportional to 11,365.68, 17,047.44 and 3,970.20 is: 5,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.68 : 17,047.44 = 3,970.20 : x
  2. Step 2: Convert to fraction form
    11,365.68/17,047.44 = 3,970.20/x
  3. Step 3: Cross multiply
    11,365.68x = 17,047.44 × 3,970.20
  4. Step 4: Simplify right side
    11,365.68x = 67,681,746.29
  5. Step 5: Solve for x
    x = 67,681,746.29/11,365.68
  6. Step 6: Final answer
    x = 5,954.92

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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.