Home / 19,107.99-28,666.89-7,417.26

Finding the Fourth Proportional to 19,107.99, 28,666.89 and 7,417.26

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Solution

The fourth proportional to 19,107.99, 28,666.89 and 7,417.26 is: 11,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.99 : 28,666.89 = 7,417.26 : x
  2. Step 2: Convert to fraction form
    19,107.99/28,666.89 = 7,417.26/x
  3. Step 3: Cross multiply
    19,107.99x = 28,666.89 × 7,417.26
  4. Step 4: Simplify right side
    19,107.99x = 212,629,776.52
  5. Step 5: Solve for x
    x = 212,629,776.52/19,107.99
  6. Step 6: Final answer
    x = 11,127.79

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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.