Home / 19,019.12-26,243.20-11,061.68

Finding the Fourth Proportional to 19,019.12, 26,243.20 and 11,061.68

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Solution

The fourth proportional to 19,019.12, 26,243.20 and 11,061.68 is: 15,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.12 : 26,243.20 = 11,061.68 : x
  2. Step 2: Convert to fraction form
    19,019.12/26,243.20 = 11,061.68/x
  3. Step 3: Cross multiply
    19,019.12x = 26,243.20 × 11,061.68
  4. Step 4: Simplify right side
    19,019.12x = 290,293,880.58
  5. Step 5: Solve for x
    x = 290,293,880.58/19,019.12
  6. Step 6: Final answer
    x = 15,263.27

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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.