Home / 19,426.40-26,807.66-11,471.18

Finding the Fourth Proportional to 19,426.40, 26,807.66 and 11,471.18

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Solution

The fourth proportional to 19,426.40, 26,807.66 and 11,471.18 is: 15,829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.40 : 26,807.66 = 11,471.18 : x
  2. Step 2: Convert to fraction form
    19,426.40/26,807.66 = 11,471.18/x
  3. Step 3: Cross multiply
    19,426.40x = 26,807.66 × 11,471.18
  4. Step 4: Simplify right side
    19,426.40x = 307,515,493.24
  5. Step 5: Solve for x
    x = 307,515,493.24/19,426.40
  6. Step 6: Final answer
    x = 15,829.77

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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.