Home / 15,814.61-23,719.44-5,284.55

Finding the Fourth Proportional to 15,814.61, 23,719.44 and 5,284.55

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Solution

The fourth proportional to 15,814.61, 23,719.44 and 5,284.55 is: 7,925.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.61 : 23,719.44 = 5,284.55 : x
  2. Step 2: Convert to fraction form
    15,814.61/23,719.44 = 5,284.55/x
  3. Step 3: Cross multiply
    15,814.61x = 23,719.44 × 5,284.55
  4. Step 4: Simplify right side
    15,814.61x = 125,346,448.05
  5. Step 5: Solve for x
    x = 125,346,448.05/15,814.61
  6. Step 6: Final answer
    x = 7,925.99

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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.