Home / 12,536.08-17,378.98-11,870.28

Finding the Fourth Proportional to 12,536.08, 17,378.98 and 11,870.28

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Solution

The fourth proportional to 12,536.08, 17,378.98 and 11,870.28 is: 16,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.08 : 17,378.98 = 11,870.28 : x
  2. Step 2: Convert to fraction form
    12,536.08/17,378.98 = 11,870.28/x
  3. Step 3: Cross multiply
    12,536.08x = 17,378.98 × 11,870.28
  4. Step 4: Simplify right side
    12,536.08x = 206,293,358.71
  5. Step 5: Solve for x
    x = 206,293,358.71/12,536.08
  6. Step 6: Final answer
    x = 16,455.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.