Home / 13,990.14-19,303.92-11,332.98

Finding the Fourth Proportional to 13,990.14, 19,303.92 and 11,332.98

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Solution

The fourth proportional to 13,990.14, 19,303.92 and 11,332.98 is: 15,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990.14 : 19,303.92 = 11,332.98 : x
  2. Step 2: Convert to fraction form
    13,990.14/19,303.92 = 11,332.98/x
  3. Step 3: Cross multiply
    13,990.14x = 19,303.92 × 11,332.98
  4. Step 4: Simplify right side
    13,990.14x = 218,770,939.28
  5. Step 5: Solve for x
    x = 218,770,939.28/13,990.14
  6. Step 6: Final answer
    x = 15,637.51

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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.