Home / 19,555.13-26,989.80-11,601.74

Finding the Fourth Proportional to 19,555.13, 26,989.80 and 11,601.74

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Solution

The fourth proportional to 19,555.13, 26,989.80 and 11,601.74 is: 16,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.13 : 26,989.80 = 11,601.74 : x
  2. Step 2: Convert to fraction form
    19,555.13/26,989.80 = 11,601.74/x
  3. Step 3: Cross multiply
    19,555.13x = 26,989.80 × 11,601.74
  4. Step 4: Simplify right side
    19,555.13x = 313,128,642.25
  5. Step 5: Solve for x
    x = 313,128,642.25/19,555.13
  6. Step 6: Final answer
    x = 16,012.61

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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.