Home / 19,617.30-27,071.55-10,665.03

Finding the Fourth Proportional to 19,617.30, 27,071.55 and 10,665.03

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Solution

The fourth proportional to 19,617.30, 27,071.55 and 10,665.03 is: 14,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.30 : 27,071.55 = 10,665.03 : x
  2. Step 2: Convert to fraction form
    19,617.30/27,071.55 = 10,665.03/x
  3. Step 3: Cross multiply
    19,617.30x = 27,071.55 × 10,665.03
  4. Step 4: Simplify right side
    19,617.30x = 288,718,892.90
  5. Step 5: Solve for x
    x = 288,718,892.90/19,617.30
  6. Step 6: Final answer
    x = 14,717.57

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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.