Home / 13,267.19-18,308.70-7,962.00

Finding the Fourth Proportional to 13,267.19, 18,308.70 and 7,962.00

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Solution

The fourth proportional to 13,267.19, 18,308.70 and 7,962.00 is: 10,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.19 : 18,308.70 = 7,962.00 : x
  2. Step 2: Convert to fraction form
    13,267.19/18,308.70 = 7,962.00/x
  3. Step 3: Cross multiply
    13,267.19x = 18,308.70 × 7,962.00
  4. Step 4: Simplify right side
    13,267.19x = 145,773,800.74
  5. Step 5: Solve for x
    x = 145,773,800.74/13,267.19
  6. Step 6: Final answer
    x = 10,987.54

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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.