Home / 19,386.56-26,766.96-13,022.84

Finding the Fourth Proportional to 19,386.56, 26,766.96 and 13,022.84

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Solution

The fourth proportional to 19,386.56, 26,766.96 and 13,022.84 is: 17,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386.56 : 26,766.96 = 13,022.84 : x
  2. Step 2: Convert to fraction form
    19,386.56/26,766.96 = 13,022.84/x
  3. Step 3: Cross multiply
    19,386.56x = 26,766.96 × 13,022.84
  4. Step 4: Simplify right side
    19,386.56x = 348,581,837.37
  5. Step 5: Solve for x
    x = 348,581,837.37/19,386.56
  6. Step 6: Final answer
    x = 17,980.59

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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.