Home / 16,807.07-25,214.38-5,121.47

Finding the Fourth Proportional to 16,807.07, 25,214.38 and 5,121.47

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Solution

The fourth proportional to 16,807.07, 25,214.38 and 5,121.47 is: 7,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,807.07 : 25,214.38 = 5,121.47 : x
  2. Step 2: Convert to fraction form
    16,807.07/25,214.38 = 5,121.47/x
  3. Step 3: Cross multiply
    16,807.07x = 25,214.38 × 5,121.47
  4. Step 4: Simplify right side
    16,807.07x = 129,134,640.51
  5. Step 5: Solve for x
    x = 129,134,640.51/16,807.07
  6. Step 6: Final answer
    x = 7,683.35

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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.