Home / 15,815.79-23,723.69-6,460.22

Finding the Fourth Proportional to 15,815.79, 23,723.69 and 6,460.22

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Solution

The fourth proportional to 15,815.79, 23,723.69 and 6,460.22 is: 9,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.79 : 23,723.69 = 6,460.22 : x
  2. Step 2: Convert to fraction form
    15,815.79/23,723.69 = 6,460.22/x
  3. Step 3: Cross multiply
    15,815.79x = 23,723.69 × 6,460.22
  4. Step 4: Simplify right side
    15,815.79x = 153,260,283.62
  5. Step 5: Solve for x
    x = 153,260,283.62/15,815.79
  6. Step 6: Final answer
    x = 9,690.33

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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.