Home / 11,317.29-17,062.79-10,555.01

Finding the Fourth Proportional to 11,317.29, 17,062.79 and 10,555.01

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Solution

The fourth proportional to 11,317.29, 17,062.79 and 10,555.01 is: 15,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.29 : 17,062.79 = 10,555.01 : x
  2. Step 2: Convert to fraction form
    11,317.29/17,062.79 = 10,555.01/x
  3. Step 3: Cross multiply
    11,317.29x = 17,062.79 × 10,555.01
  4. Step 4: Simplify right side
    11,317.29x = 180,097,780.99
  5. Step 5: Solve for x
    x = 180,097,780.99/11,317.29
  6. Step 6: Final answer
    x = 15,913.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.