Home / 15,705.53-23,551.91-7,805.22

Finding the Fourth Proportional to 15,705.53, 23,551.91 and 7,805.22

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Solution

The fourth proportional to 15,705.53, 23,551.91 and 7,805.22 is: 11,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,705.53 : 23,551.91 = 7,805.22 : x
  2. Step 2: Convert to fraction form
    15,705.53/23,551.91 = 7,805.22/x
  3. Step 3: Cross multiply
    15,705.53x = 23,551.91 × 7,805.22
  4. Step 4: Simplify right side
    15,705.53x = 183,827,799.94
  5. Step 5: Solve for x
    x = 183,827,799.94/15,705.53
  6. Step 6: Final answer
    x = 11,704.66

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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.