Home / 14,091.06-21,139.02-4,230.93

Finding the Fourth Proportional to 14,091.06, 21,139.02 and 4,230.93

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Solution

The fourth proportional to 14,091.06, 21,139.02 and 4,230.93 is: 6,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.06 : 21,139.02 = 4,230.93 : x
  2. Step 2: Convert to fraction form
    14,091.06/21,139.02 = 4,230.93/x
  3. Step 3: Cross multiply
    14,091.06x = 21,139.02 × 4,230.93
  4. Step 4: Simplify right side
    14,091.06x = 89,437,713.89
  5. Step 5: Solve for x
    x = 89,437,713.89/14,091.06
  6. Step 6: Final answer
    x = 6,347.12

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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.