Home / 13,332.35-19,991.69-7,796.51

Finding the Fourth Proportional to 13,332.35, 19,991.69 and 7,796.51

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Solution

The fourth proportional to 13,332.35, 19,991.69 and 7,796.51 is: 11,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.35 : 19,991.69 = 7,796.51 : x
  2. Step 2: Convert to fraction form
    13,332.35/19,991.69 = 7,796.51/x
  3. Step 3: Cross multiply
    13,332.35x = 19,991.69 × 7,796.51
  4. Step 4: Simplify right side
    13,332.35x = 155,865,372.02
  5. Step 5: Solve for x
    x = 155,865,372.02/13,332.35
  6. Step 6: Final answer
    x = 11,690.77

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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.