Home / 20,314.74-28,032.41-11,362.02

Finding the Fourth Proportional to 20,314.74, 28,032.41 and 11,362.02

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Solution

The fourth proportional to 20,314.74, 28,032.41 and 11,362.02 is: 15,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,314.74 : 28,032.41 = 11,362.02 : x
  2. Step 2: Convert to fraction form
    20,314.74/28,032.41 = 11,362.02/x
  3. Step 3: Cross multiply
    20,314.74x = 28,032.41 × 11,362.02
  4. Step 4: Simplify right side
    20,314.74x = 318,504,746.26
  5. Step 5: Solve for x
    x = 318,504,746.26/20,314.74
  6. Step 6: Final answer
    x = 15,678.50

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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.