Home / 9,539.19-14,308.79-7,681.59

Finding the Fourth Proportional to 9,539.19, 14,308.79 and 7,681.59

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Solution

The fourth proportional to 9,539.19, 14,308.79 and 7,681.59 is: 11,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.19 : 14,308.79 = 7,681.59 : x
  2. Step 2: Convert to fraction form
    9,539.19/14,308.79 = 7,681.59/x
  3. Step 3: Cross multiply
    9,539.19x = 14,308.79 × 7,681.59
  4. Step 4: Simplify right side
    9,539.19x = 109,914,219.77
  5. Step 5: Solve for x
    x = 109,914,219.77/9,539.19
  6. Step 6: Final answer
    x = 11,522.39

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Similar ratio
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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.