Home / 19,259.34-28,888.91-6,112.72

Finding the Fourth Proportional to 19,259.34, 28,888.91 and 6,112.72

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Solution

The fourth proportional to 19,259.34, 28,888.91 and 6,112.72 is: 9,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.34 : 28,888.91 = 6,112.72 : x
  2. Step 2: Convert to fraction form
    19,259.34/28,888.91 = 6,112.72/x
  3. Step 3: Cross multiply
    19,259.34x = 28,888.91 × 6,112.72
  4. Step 4: Simplify right side
    19,259.34x = 176,589,817.94
  5. Step 5: Solve for x
    x = 176,589,817.94/19,259.34
  6. Step 6: Final answer
    x = 9,169.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.