Home / 19,672.07-27,147.96-10,720.17

Finding the Fourth Proportional to 19,672.07, 27,147.96 and 10,720.17

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Solution

The fourth proportional to 19,672.07, 27,147.96 and 10,720.17 is: 14,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.07 : 27,147.96 = 10,720.17 : x
  2. Step 2: Convert to fraction form
    19,672.07/27,147.96 = 10,720.17/x
  3. Step 3: Cross multiply
    19,672.07x = 27,147.96 × 10,720.17
  4. Step 4: Simplify right side
    19,672.07x = 291,030,822.71
  5. Step 5: Solve for x
    x = 291,030,822.71/19,672.07
  6. Step 6: Final answer
    x = 14,794.12

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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.