Home / 19,011.97-28,507.69-13,476.16

Finding the Fourth Proportional to 19,011.97, 28,507.69 and 13,476.16

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Solution

The fourth proportional to 19,011.97, 28,507.69 and 13,476.16 is: 20,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.97 : 28,507.69 = 13,476.16 : x
  2. Step 2: Convert to fraction form
    19,011.97/28,507.69 = 13,476.16/x
  3. Step 3: Cross multiply
    19,011.97x = 28,507.69 × 13,476.16
  4. Step 4: Simplify right side
    19,011.97x = 384,174,191.67
  5. Step 5: Solve for x
    x = 384,174,191.67/19,011.97
  6. Step 6: Final answer
    x = 20,206.96

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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.