Home / 21,915.09-32,877.50-6,331.59

Finding the Fourth Proportional to 21,915.09, 32,877.50 and 6,331.59

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Solution

The fourth proportional to 21,915.09, 32,877.50 and 6,331.59 is: 9,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,915.09 : 32,877.50 = 6,331.59 : x
  2. Step 2: Convert to fraction form
    21,915.09/32,877.50 = 6,331.59/x
  3. Step 3: Cross multiply
    21,915.09x = 32,877.50 × 6,331.59
  4. Step 4: Simplify right side
    21,915.09x = 208,166,818.57
  5. Step 5: Solve for x
    x = 208,166,818.57/21,915.09
  6. Step 6: Final answer
    x = 9,498.79

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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.