Home / 14,473.08-19,939.50-11,112.12

Finding the Fourth Proportional to 14,473.08, 19,939.50 and 11,112.12

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Solution

The fourth proportional to 14,473.08, 19,939.50 and 11,112.12 is: 15,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,473.08 : 19,939.50 = 11,112.12 : x
  2. Step 2: Convert to fraction form
    14,473.08/19,939.50 = 11,112.12/x
  3. Step 3: Cross multiply
    14,473.08x = 19,939.50 × 11,112.12
  4. Step 4: Simplify right side
    14,473.08x = 221,570,116.74
  5. Step 5: Solve for x
    x = 221,570,116.74/14,473.08
  6. Step 6: Final answer
    x = 15,309.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.