Home / 19,615.79-27,069.96-10,663.29

Finding the Fourth Proportional to 19,615.79, 27,069.96 and 10,663.29

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Solution

The fourth proportional to 19,615.79, 27,069.96 and 10,663.29 is: 14,715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.79 : 27,069.96 = 10,663.29 : x
  2. Step 2: Convert to fraction form
    19,615.79/27,069.96 = 10,663.29/x
  3. Step 3: Cross multiply
    19,615.79x = 27,069.96 × 10,663.29
  4. Step 4: Simplify right side
    19,615.79x = 288,654,833.77
  5. Step 5: Solve for x
    x = 288,654,833.77/19,615.79
  6. Step 6: Final answer
    x = 14,715.44

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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.