Home / 19,433.40-26,817.32-11,478.18

Finding the Fourth Proportional to 19,433.40, 26,817.32 and 11,478.18

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Solution

The fourth proportional to 19,433.40, 26,817.32 and 11,478.18 is: 15,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.40 : 26,817.32 = 11,478.18 : x
  2. Step 2: Convert to fraction form
    19,433.40/26,817.32 = 11,478.18/x
  3. Step 3: Cross multiply
    19,433.40x = 26,817.32 × 11,478.18
  4. Step 4: Simplify right side
    19,433.40x = 307,814,026.08
  5. Step 5: Solve for x
    x = 307,814,026.08/19,433.40
  6. Step 6: Final answer
    x = 15,839.43

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Double scale
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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.