Home / 19,448.64-26,839.20-11,064.96

Finding the Fourth Proportional to 19,448.64, 26,839.20 and 11,064.96

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Solution

The fourth proportional to 19,448.64, 26,839.20 and 11,064.96 is: 15,269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.64 : 26,839.20 = 11,064.96 : x
  2. Step 2: Convert to fraction form
    19,448.64/26,839.20 = 11,064.96/x
  3. Step 3: Cross multiply
    19,448.64x = 26,839.20 × 11,064.96
  4. Step 4: Simplify right side
    19,448.64x = 296,974,674.43
  5. Step 5: Solve for x
    x = 296,974,674.43/19,448.64
  6. Step 6: Final answer
    x = 15,269.69

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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.