Home / 21,921.34-32,886.88-6,337.78

Finding the Fourth Proportional to 21,921.34, 32,886.88 and 6,337.78

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Solution

The fourth proportional to 21,921.34, 32,886.88 and 6,337.78 is: 9,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921.34 : 32,886.88 = 6,337.78 : x
  2. Step 2: Convert to fraction form
    21,921.34/32,886.88 = 6,337.78/x
  3. Step 3: Cross multiply
    21,921.34x = 32,886.88 × 6,337.78
  4. Step 4: Simplify right side
    21,921.34x = 208,429,810.33
  5. Step 5: Solve for x
    x = 208,429,810.33/21,921.34
  6. Step 6: Final answer
    x = 9,508.08

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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.