Home / 15,823.90-21,837.41-8,750.57

Finding the Fourth Proportional to 15,823.90, 21,837.41 and 8,750.57

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Solution

The fourth proportional to 15,823.90, 21,837.41 and 8,750.57 is: 12,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.90 : 21,837.41 = 8,750.57 : x
  2. Step 2: Convert to fraction form
    15,823.90/21,837.41 = 8,750.57/x
  3. Step 3: Cross multiply
    15,823.90x = 21,837.41 × 8,750.57
  4. Step 4: Simplify right side
    15,823.90x = 191,089,784.82
  5. Step 5: Solve for x
    x = 191,089,784.82/15,823.90
  6. Step 6: Final answer
    x = 12,076.02

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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.