Home / 19,937.13-27,513.23-10,984.63

Finding the Fourth Proportional to 19,937.13, 27,513.23 and 10,984.63

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Solution

The fourth proportional to 19,937.13, 27,513.23 and 10,984.63 is: 15,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.13 : 27,513.23 = 10,984.63 : x
  2. Step 2: Convert to fraction form
    19,937.13/27,513.23 = 10,984.63/x
  3. Step 3: Cross multiply
    19,937.13x = 27,513.23 × 10,984.63
  4. Step 4: Simplify right side
    19,937.13x = 302,222,651.65
  5. Step 5: Solve for x
    x = 302,222,651.65/19,937.13
  6. Step 6: Final answer
    x = 15,158.78

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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.