Home / 14,047.19-21,071.70-4,185.65

Finding the Fourth Proportional to 14,047.19, 21,071.70 and 4,185.65

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Solution

The fourth proportional to 14,047.19, 21,071.70 and 4,185.65 is: 6,278.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.19 : 21,071.70 = 4,185.65 : x
  2. Step 2: Convert to fraction form
    14,047.19/21,071.70 = 4,185.65/x
  3. Step 3: Cross multiply
    14,047.19x = 21,071.70 × 4,185.65
  4. Step 4: Simplify right side
    14,047.19x = 88,198,655.75
  5. Step 5: Solve for x
    x = 88,198,655.75/14,047.19
  6. Step 6: Final answer
    x = 6,278.74

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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.