Home / 15,516.93-23,296.05-8,127.30

Finding the Fourth Proportional to 15,516.93, 23,296.05 and 8,127.30

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Solution

The fourth proportional to 15,516.93, 23,296.05 and 8,127.30 is: 12,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.93 : 23,296.05 = 8,127.30 : x
  2. Step 2: Convert to fraction form
    15,516.93/23,296.05 = 8,127.30/x
  3. Step 3: Cross multiply
    15,516.93x = 23,296.05 × 8,127.30
  4. Step 4: Simplify right side
    15,516.93x = 189,333,987.17
  5. Step 5: Solve for x
    x = 189,333,987.17/15,516.93
  6. Step 6: Final answer
    x = 12,201.77

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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.