Home / 19,670.04-27,144.30-10,717.47

Finding the Fourth Proportional to 19,670.04, 27,144.30 and 10,717.47

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Solution

The fourth proportional to 19,670.04, 27,144.30 and 10,717.47 is: 14,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.04 : 27,144.30 = 10,717.47 : x
  2. Step 2: Convert to fraction form
    19,670.04/27,144.30 = 10,717.47/x
  3. Step 3: Cross multiply
    19,670.04x = 27,144.30 × 10,717.47
  4. Step 4: Simplify right side
    19,670.04x = 290,918,220.92
  5. Step 5: Solve for x
    x = 290,918,220.92/19,670.04
  6. Step 6: Final answer
    x = 14,789.92

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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.