Home / 19,486.17-26,892.51-10,987.85

Finding the Fourth Proportional to 19,486.17, 26,892.51 and 10,987.85

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Solution

The fourth proportional to 19,486.17, 26,892.51 and 10,987.85 is: 15,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.17 : 26,892.51 = 10,987.85 : x
  2. Step 2: Convert to fraction form
    19,486.17/26,892.51 = 10,987.85/x
  3. Step 3: Cross multiply
    19,486.17x = 26,892.51 × 10,987.85
  4. Step 4: Simplify right side
    19,486.17x = 295,490,892.03
  5. Step 5: Solve for x
    x = 295,490,892.03/19,486.17
  6. Step 6: Final answer
    x = 15,164.13

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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.