Home / 14,184.06-21,278.40-4,189.82

Finding the Fourth Proportional to 14,184.06, 21,278.40 and 4,189.82

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Solution

The fourth proportional to 14,184.06, 21,278.40 and 4,189.82 is: 6,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.06 : 21,278.40 = 4,189.82 : x
  2. Step 2: Convert to fraction form
    14,184.06/21,278.40 = 4,189.82/x
  3. Step 3: Cross multiply
    14,184.06x = 21,278.40 × 4,189.82
  4. Step 4: Simplify right side
    14,184.06x = 89,152,719.08
  5. Step 5: Solve for x
    x = 89,152,719.08/14,184.06
  6. Step 6: Final answer
    x = 6,285.42

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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.