Home / 19,707.69-27,187.22-13,336.52

Finding the Fourth Proportional to 19,707.69, 27,187.22 and 13,336.52

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Solution

The fourth proportional to 19,707.69, 27,187.22 and 13,336.52 is: 18,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.69 : 27,187.22 = 13,336.52 : x
  2. Step 2: Convert to fraction form
    19,707.69/27,187.22 = 13,336.52/x
  3. Step 3: Cross multiply
    19,707.69x = 27,187.22 × 13,336.52
  4. Step 4: Simplify right side
    19,707.69x = 362,582,700.66
  5. Step 5: Solve for x
    x = 362,582,700.66/19,707.69
  6. Step 6: Final answer
    x = 18,398.03

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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.