Home / 19,331.53-26,679.98-11,374.49

Finding the Fourth Proportional to 19,331.53, 26,679.98 and 11,374.49

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Solution

The fourth proportional to 19,331.53, 26,679.98 and 11,374.49 is: 15,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.53 : 26,679.98 = 11,374.49 : x
  2. Step 2: Convert to fraction form
    19,331.53/26,679.98 = 11,374.49/x
  3. Step 3: Cross multiply
    19,331.53x = 26,679.98 × 11,374.49
  4. Step 4: Simplify right side
    19,331.53x = 303,471,165.71
  5. Step 5: Solve for x
    x = 303,471,165.71/19,331.53
  6. Step 6: Final answer
    x = 15,698.25

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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.