Home / 15,642.29-23,459.32-5,784.39

Finding the Fourth Proportional to 15,642.29, 23,459.32 and 5,784.39

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Solution

The fourth proportional to 15,642.29, 23,459.32 and 5,784.39 is: 8,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.29 : 23,459.32 = 5,784.39 : x
  2. Step 2: Convert to fraction form
    15,642.29/23,459.32 = 5,784.39/x
  3. Step 3: Cross multiply
    15,642.29x = 23,459.32 × 5,784.39
  4. Step 4: Simplify right side
    15,642.29x = 135,697,856.01
  5. Step 5: Solve for x
    x = 135,697,856.01/15,642.29
  6. Step 6: Final answer
    x = 8,675.06

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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.