Home / 20,484.14-28,264.07-11,532.02

Finding the Fourth Proportional to 20,484.14, 28,264.07 and 11,532.02

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Solution

The fourth proportional to 20,484.14, 28,264.07 and 11,532.02 is: 15,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.14 : 28,264.07 = 11,532.02 : x
  2. Step 2: Convert to fraction form
    20,484.14/28,264.07 = 11,532.02/x
  3. Step 3: Cross multiply
    20,484.14x = 28,264.07 × 11,532.02
  4. Step 4: Simplify right side
    20,484.14x = 325,941,708.03
  5. Step 5: Solve for x
    x = 325,941,708.03/20,484.14
  6. Step 6: Final answer
    x = 15,911.91

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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.