Home / 13,983.02-19,296.60-7,695.80

Finding the Fourth Proportional to 13,983.02, 19,296.60 and 7,695.80

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Solution

The fourth proportional to 13,983.02, 19,296.60 and 7,695.80 is: 10,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.02 : 19,296.60 = 7,695.80 : x
  2. Step 2: Convert to fraction form
    13,983.02/19,296.60 = 7,695.80/x
  3. Step 3: Cross multiply
    13,983.02x = 19,296.60 × 7,695.80
  4. Step 4: Simplify right side
    13,983.02x = 148,502,774.28
  5. Step 5: Solve for x
    x = 148,502,774.28/13,983.02
  6. Step 6: Final answer
    x = 10,620.22

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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.