Home / 15,705.35-23,561.67-5,175

Finding the Fourth Proportional to 15,705.35, 23,561.67 and 5,175

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Solution

The fourth proportional to 15,705.35, 23,561.67 and 5,175 is: 7,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,705.35 : 23,561.67 = 5,175 : x
  2. Step 2: Convert to fraction form
    15,705.35/23,561.67 = 5,175/x
  3. Step 3: Cross multiply
    15,705.35x = 23,561.67 × 5,175
  4. Step 4: Simplify right side
    15,705.35x = 121,931,642.25
  5. Step 5: Solve for x
    x = 121,931,642.25/15,705.35
  6. Step 6: Final answer
    x = 7,763.70

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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.