Home / 19,332.80-29,006.09-11,928.63

Finding the Fourth Proportional to 19,332.80, 29,006.09 and 11,928.63

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Solution

The fourth proportional to 19,332.80, 29,006.09 and 11,928.63 is: 17,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.80 : 29,006.09 = 11,928.63 : x
  2. Step 2: Convert to fraction form
    19,332.80/29,006.09 = 11,928.63/x
  3. Step 3: Cross multiply
    19,332.80x = 29,006.09 × 11,928.63
  4. Step 4: Simplify right side
    19,332.80x = 346,002,855.71
  5. Step 5: Solve for x
    x = 346,002,855.71/19,332.80
  6. Step 6: Final answer
    x = 17,897.20

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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.