Home / 13,395.74-20,070.95-8,114.73

Finding the Fourth Proportional to 13,395.74, 20,070.95 and 8,114.73

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Solution

The fourth proportional to 13,395.74, 20,070.95 and 8,114.73 is: 12,158.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.74 : 20,070.95 = 8,114.73 : x
  2. Step 2: Convert to fraction form
    13,395.74/20,070.95 = 8,114.73/x
  3. Step 3: Cross multiply
    13,395.74x = 20,070.95 × 8,114.73
  4. Step 4: Simplify right side
    13,395.74x = 162,870,299.52
  5. Step 5: Solve for x
    x = 162,870,299.52/13,395.74
  6. Step 6: Final answer
    x = 12,158.37

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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.