Home / 20,140.02-27,794.06-11,187.59

Finding the Fourth Proportional to 20,140.02, 27,794.06 and 11,187.59

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Solution

The fourth proportional to 20,140.02, 27,794.06 and 11,187.59 is: 15,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140.02 : 27,794.06 = 11,187.59 : x
  2. Step 2: Convert to fraction form
    20,140.02/27,794.06 = 11,187.59/x
  3. Step 3: Cross multiply
    20,140.02x = 27,794.06 × 11,187.59
  4. Step 4: Simplify right side
    20,140.02x = 310,948,547.72
  5. Step 5: Solve for x
    x = 310,948,547.72/20,140.02
  6. Step 6: Final answer
    x = 15,439.34

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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.