Home / 12,263.87-18,397.64-5,690.72

Finding the Fourth Proportional to 12,263.87, 18,397.64 and 5,690.72

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Solution

The fourth proportional to 12,263.87, 18,397.64 and 5,690.72 is: 8,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.87 : 18,397.64 = 5,690.72 : x
  2. Step 2: Convert to fraction form
    12,263.87/18,397.64 = 5,690.72/x
  3. Step 3: Cross multiply
    12,263.87x = 18,397.64 × 5,690.72
  4. Step 4: Simplify right side
    12,263.87x = 104,695,817.90
  5. Step 5: Solve for x
    x = 104,695,817.90/12,263.87
  6. Step 6: Final answer
    x = 8,536.93

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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.