Home / 14,247.39-19,661.01-7,959.77

Finding the Fourth Proportional to 14,247.39, 19,661.01 and 7,959.77

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Solution

The fourth proportional to 14,247.39, 19,661.01 and 7,959.77 is: 10,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.39 : 19,661.01 = 7,959.77 : x
  2. Step 2: Convert to fraction form
    14,247.39/19,661.01 = 7,959.77/x
  3. Step 3: Cross multiply
    14,247.39x = 19,661.01 × 7,959.77
  4. Step 4: Simplify right side
    14,247.39x = 156,497,019.26
  5. Step 5: Solve for x
    x = 156,497,019.26/14,247.39
  6. Step 6: Final answer
    x = 10,984.26

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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.