Home / 13,983.74-19,292.83-9,499.68

Finding the Fourth Proportional to 13,983.74, 19,292.83 and 9,499.68

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Solution

The fourth proportional to 13,983.74, 19,292.83 and 9,499.68 is: 13,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.74 : 19,292.83 = 9,499.68 : x
  2. Step 2: Convert to fraction form
    13,983.74/19,292.83 = 9,499.68/x
  3. Step 3: Cross multiply
    13,983.74x = 19,292.83 × 9,499.68
  4. Step 4: Simplify right side
    13,983.74x = 183,275,740.98
  5. Step 5: Solve for x
    x = 183,275,740.98/13,983.74
  6. Step 6: Final answer
    x = 13,106.35

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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.