Home / 19,933.49-27,507.20-10,980.77

Finding the Fourth Proportional to 19,933.49, 27,507.20 and 10,980.77

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Solution

The fourth proportional to 19,933.49, 27,507.20 and 10,980.77 is: 15,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.49 : 27,507.20 = 10,980.77 : x
  2. Step 2: Convert to fraction form
    19,933.49/27,507.20 = 10,980.77/x
  3. Step 3: Cross multiply
    19,933.49x = 27,507.20 × 10,980.77
  4. Step 4: Simplify right side
    19,933.49x = 302,050,044.10
  5. Step 5: Solve for x
    x = 302,050,044.10/19,933.49
  6. Step 6: Final answer
    x = 15,152.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.