Home / 21,779.14-32,654.67-9,307.30

Finding the Fourth Proportional to 21,779.14, 32,654.67 and 9,307.30

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Solution

The fourth proportional to 21,779.14, 32,654.67 and 9,307.30 is: 13,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,779.14 : 32,654.67 = 9,307.30 : x
  2. Step 2: Convert to fraction form
    21,779.14/32,654.67 = 9,307.30/x
  3. Step 3: Cross multiply
    21,779.14x = 32,654.67 × 9,307.30
  4. Step 4: Simplify right side
    21,779.14x = 303,926,810.09
  5. Step 5: Solve for x
    x = 303,926,810.09/21,779.14
  6. Step 6: Final answer
    x = 13,954.95

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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.