Home / 19,019.16-26,209.44-13,703.94

Finding the Fourth Proportional to 19,019.16, 26,209.44 and 13,703.94

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Solution

The fourth proportional to 19,019.16, 26,209.44 and 13,703.94 is: 18,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.16 : 26,209.44 = 13,703.94 : x
  2. Step 2: Convert to fraction form
    19,019.16/26,209.44 = 13,703.94/x
  3. Step 3: Cross multiply
    19,019.16x = 26,209.44 × 13,703.94
  4. Step 4: Simplify right side
    19,019.16x = 359,172,593.19
  5. Step 5: Solve for x
    x = 359,172,593.19/19,019.16
  6. Step 6: Final answer
    x = 18,884.78

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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.