Home / 19,048.13-26,280.32-12,338.90

Finding the Fourth Proportional to 19,048.13, 26,280.32 and 12,338.90

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Solution

The fourth proportional to 19,048.13, 26,280.32 and 12,338.90 is: 17,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.13 : 26,280.32 = 12,338.90 : x
  2. Step 2: Convert to fraction form
    19,048.13/26,280.32 = 12,338.90/x
  3. Step 3: Cross multiply
    19,048.13x = 26,280.32 × 12,338.90
  4. Step 4: Simplify right side
    19,048.13x = 324,270,047.35
  5. Step 5: Solve for x
    x = 324,270,047.35/19,048.13
  6. Step 6: Final answer
    x = 17,023.73

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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.