Home / 19,913.99-29,902.70-11,600.08

Finding the Fourth Proportional to 19,913.99, 29,902.70 and 11,600.08

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Solution

The fourth proportional to 19,913.99, 29,902.70 and 11,600.08 is: 17,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.99 : 29,902.70 = 11,600.08 : x
  2. Step 2: Convert to fraction form
    19,913.99/29,902.70 = 11,600.08/x
  3. Step 3: Cross multiply
    19,913.99x = 29,902.70 × 11,600.08
  4. Step 4: Simplify right side
    19,913.99x = 346,873,666.46
  5. Step 5: Solve for x
    x = 346,873,666.46/19,913.99
  6. Step 6: Final answer
    x = 17,418.60

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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.