Home / 21,555.72-32,314.14-7,701.48

Finding the Fourth Proportional to 21,555.72, 32,314.14 and 7,701.48

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Solution

The fourth proportional to 21,555.72, 32,314.14 and 7,701.48 is: 11,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555.72 : 32,314.14 = 7,701.48 : x
  2. Step 2: Convert to fraction form
    21,555.72/32,314.14 = 7,701.48/x
  3. Step 3: Cross multiply
    21,555.72x = 32,314.14 × 7,701.48
  4. Step 4: Simplify right side
    21,555.72x = 248,866,702.93
  5. Step 5: Solve for x
    x = 248,866,702.93/21,555.72
  6. Step 6: Final answer
    x = 11,545.27

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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.