Home / 15,774.40-23,661.60-11,837.80

Finding the Fourth Proportional to 15,774.40, 23,661.60 and 11,837.80

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Solution

The fourth proportional to 15,774.40, 23,661.60 and 11,837.80 is: 17,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.40 : 23,661.60 = 11,837.80 : x
  2. Step 2: Convert to fraction form
    15,774.40/23,661.60 = 11,837.80/x
  3. Step 3: Cross multiply
    15,774.40x = 23,661.60 × 11,837.80
  4. Step 4: Simplify right side
    15,774.40x = 280,101,288.48
  5. Step 5: Solve for x
    x = 280,101,288.48/15,774.40
  6. Step 6: Final answer
    x = 17,756.70

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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.