Home / 21,853.60-32,785.26-6,270

Finding the Fourth Proportional to 21,853.60, 32,785.26 and 6,270

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Solution

The fourth proportional to 21,853.60, 32,785.26 and 6,270 is: 9,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853.60 : 32,785.26 = 6,270 : x
  2. Step 2: Convert to fraction form
    21,853.60/32,785.26 = 6,270/x
  3. Step 3: Cross multiply
    21,853.60x = 32,785.26 × 6,270
  4. Step 4: Simplify right side
    21,853.60x = 205,563,580.20
  5. Step 5: Solve for x
    x = 205,563,580.20/21,853.60
  6. Step 6: Final answer
    x = 9,406.39

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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.