Home / 19,405.19-26,763.50-13,029.86

Finding the Fourth Proportional to 19,405.19, 26,763.50 and 13,029.86

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Solution

The fourth proportional to 19,405.19, 26,763.50 and 13,029.86 is: 17,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.19 : 26,763.50 = 13,029.86 : x
  2. Step 2: Convert to fraction form
    19,405.19/26,763.50 = 13,029.86/x
  3. Step 3: Cross multiply
    19,405.19x = 26,763.50 × 13,029.86
  4. Step 4: Simplify right side
    19,405.19x = 348,724,757.59
  5. Step 5: Solve for x
    x = 348,724,757.59/19,405.19
  6. Step 6: Final answer
    x = 17,970.69

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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.