Home / 21,701.07-32,545.13-7,658.46

Finding the Fourth Proportional to 21,701.07, 32,545.13 and 7,658.46

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Solution

The fourth proportional to 21,701.07, 32,545.13 and 7,658.46 is: 11,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.07 : 32,545.13 = 7,658.46 : x
  2. Step 2: Convert to fraction form
    21,701.07/32,545.13 = 7,658.46/x
  3. Step 3: Cross multiply
    21,701.07x = 32,545.13 × 7,658.46
  4. Step 4: Simplify right side
    21,701.07x = 249,245,538.01
  5. Step 5: Solve for x
    x = 249,245,538.01/21,701.07
  6. Step 6: Final answer
    x = 11,485.40

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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.