Home / 14,047.80-21,071.48-4,187.13

Finding the Fourth Proportional to 14,047.80, 21,071.48 and 4,187.13

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Solution

The fourth proportional to 14,047.80, 21,071.48 and 4,187.13 is: 6,280.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.80 : 21,071.48 = 4,187.13 : x
  2. Step 2: Convert to fraction form
    14,047.80/21,071.48 = 4,187.13/x
  3. Step 3: Cross multiply
    14,047.80x = 21,071.48 × 4,187.13
  4. Step 4: Simplify right side
    14,047.80x = 88,229,005.12
  5. Step 5: Solve for x
    x = 88,229,005.12/14,047.80
  6. Step 6: Final answer
    x = 6,280.63

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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.