Home / 19,130.05-26,412.61-11,963.07

Finding the Fourth Proportional to 19,130.05, 26,412.61 and 11,963.07

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Solution

The fourth proportional to 19,130.05, 26,412.61 and 11,963.07 is: 16,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.05 : 26,412.61 = 11,963.07 : x
  2. Step 2: Convert to fraction form
    19,130.05/26,412.61 = 11,963.07/x
  3. Step 3: Cross multiply
    19,130.05x = 26,412.61 × 11,963.07
  4. Step 4: Simplify right side
    19,130.05x = 315,975,902.31
  5. Step 5: Solve for x
    x = 315,975,902.31/19,130.05
  6. Step 6: Final answer
    x = 16,517.25

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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.