Home / 21,937.16-30,273.29-11,865.60

Finding the Fourth Proportional to 21,937.16, 30,273.29 and 11,865.60

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Solution

The fourth proportional to 21,937.16, 30,273.29 and 11,865.60 is: 16,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.16 : 30,273.29 = 11,865.60 : x
  2. Step 2: Convert to fraction form
    21,937.16/30,273.29 = 11,865.60/x
  3. Step 3: Cross multiply
    21,937.16x = 30,273.29 × 11,865.60
  4. Step 4: Simplify right side
    21,937.16x = 359,210,690.50
  5. Step 5: Solve for x
    x = 359,210,690.50/21,937.16
  6. Step 6: Final answer
    x = 16,374.53

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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.