Home / 19,005.94-26,191.65-13,407.22

Finding the Fourth Proportional to 19,005.94, 26,191.65 and 13,407.22

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Solution

The fourth proportional to 19,005.94, 26,191.65 and 13,407.22 is: 18,476.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.94 : 26,191.65 = 13,407.22 : x
  2. Step 2: Convert to fraction form
    19,005.94/26,191.65 = 13,407.22/x
  3. Step 3: Cross multiply
    19,005.94x = 26,191.65 × 13,407.22
  4. Step 4: Simplify right side
    19,005.94x = 351,157,213.71
  5. Step 5: Solve for x
    x = 351,157,213.71/19,005.94
  6. Step 6: Final answer
    x = 18,476.18

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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.