Home / 17,121.51-25,682.29-5,434.74

Finding the Fourth Proportional to 17,121.51, 25,682.29 and 5,434.74

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Solution

The fourth proportional to 17,121.51, 25,682.29 and 5,434.74 is: 8,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.51 : 25,682.29 = 5,434.74 : x
  2. Step 2: Convert to fraction form
    17,121.51/25,682.29 = 5,434.74/x
  3. Step 3: Cross multiply
    17,121.51x = 25,682.29 × 5,434.74
  4. Step 4: Simplify right side
    17,121.51x = 139,576,555.17
  5. Step 5: Solve for x
    x = 139,576,555.17/17,121.51
  6. Step 6: Final answer
    x = 8,152.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.