Home / 19,327.74-28,988.85-6,178.38

Finding the Fourth Proportional to 19,327.74, 28,988.85 and 6,178.38

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Solution

The fourth proportional to 19,327.74, 28,988.85 and 6,178.38 is: 9,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.74 : 28,988.85 = 6,178.38 : x
  2. Step 2: Convert to fraction form
    19,327.74/28,988.85 = 6,178.38/x
  3. Step 3: Cross multiply
    19,327.74x = 28,988.85 × 6,178.38
  4. Step 4: Simplify right side
    19,327.74x = 179,104,131.06
  5. Step 5: Solve for x
    x = 179,104,131.06/19,327.74
  6. Step 6: Final answer
    x = 9,266.69

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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.