Home / 13,816.80-19,066.96-7,529.04

Finding the Fourth Proportional to 13,816.80, 19,066.96 and 7,529.04

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Solution

The fourth proportional to 13,816.80, 19,066.96 and 7,529.04 is: 10,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.80 : 19,066.96 = 7,529.04 : x
  2. Step 2: Convert to fraction form
    13,816.80/19,066.96 = 7,529.04/x
  3. Step 3: Cross multiply
    13,816.80x = 19,066.96 × 7,529.04
  4. Step 4: Simplify right side
    13,816.80x = 143,555,904.52
  5. Step 5: Solve for x
    x = 143,555,904.52/13,816.80
  6. Step 6: Final answer
    x = 10,389.95

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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.