Home / 19,020.45-26,237.67-11,061.78

Finding the Fourth Proportional to 19,020.45, 26,237.67 and 11,061.78

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Solution

The fourth proportional to 19,020.45, 26,237.67 and 11,061.78 is: 15,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.45 : 26,237.67 = 11,061.78 : x
  2. Step 2: Convert to fraction form
    19,020.45/26,237.67 = 11,061.78/x
  3. Step 3: Cross multiply
    19,020.45x = 26,237.67 × 11,061.78
  4. Step 4: Simplify right side
    19,020.45x = 290,235,333.25
  5. Step 5: Solve for x
    x = 290,235,333.25/19,020.45
  6. Step 6: Final answer
    x = 15,259.12

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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.