Home / 19,333.80-29,007.59-11,929.64

Finding the Fourth Proportional to 19,333.80, 29,007.59 and 11,929.64

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Solution

The fourth proportional to 19,333.80, 29,007.59 and 11,929.64 is: 17,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.80 : 29,007.59 = 11,929.64 : x
  2. Step 2: Convert to fraction form
    19,333.80/29,007.59 = 11,929.64/x
  3. Step 3: Cross multiply
    19,333.80x = 29,007.59 × 11,929.64
  4. Step 4: Simplify right side
    19,333.80x = 346,049,901.28
  5. Step 5: Solve for x
    x = 346,049,901.28/19,333.80
  6. Step 6: Final answer
    x = 17,898.70

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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.