Home / 12,395.23-17,098.27-7,913.93

Finding the Fourth Proportional to 12,395.23, 17,098.27 and 7,913.93

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Solution

The fourth proportional to 12,395.23, 17,098.27 and 7,913.93 is: 10,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.23 : 17,098.27 = 7,913.93 : x
  2. Step 2: Convert to fraction form
    12,395.23/17,098.27 = 7,913.93/x
  3. Step 3: Cross multiply
    12,395.23x = 17,098.27 × 7,913.93
  4. Step 4: Simplify right side
    12,395.23x = 135,314,511.90
  5. Step 5: Solve for x
    x = 135,314,511.90/12,395.23
  6. Step 6: Final answer
    x = 10,916.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.