Home / 19,341.19-26,685.84-11,381.92

Finding the Fourth Proportional to 19,341.19, 26,685.84 and 11,381.92

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Solution

The fourth proportional to 19,341.19, 26,685.84 and 11,381.92 is: 15,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.19 : 26,685.84 = 11,381.92 : x
  2. Step 2: Convert to fraction form
    19,341.19/26,685.84 = 11,381.92/x
  3. Step 3: Cross multiply
    19,341.19x = 26,685.84 × 11,381.92
  4. Step 4: Simplify right side
    19,341.19x = 303,735,962.58
  5. Step 5: Solve for x
    x = 303,735,962.58/19,341.19
  6. Step 6: Final answer
    x = 15,704.10

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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.