Home / 15,784.53-23,670.61-5,918.43

Finding the Fourth Proportional to 15,784.53, 23,670.61 and 5,918.43

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Solution

The fourth proportional to 15,784.53, 23,670.61 and 5,918.43 is: 8,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.53 : 23,670.61 = 5,918.43 : x
  2. Step 2: Convert to fraction form
    15,784.53/23,670.61 = 5,918.43/x
  3. Step 3: Cross multiply
    15,784.53x = 23,670.61 × 5,918.43
  4. Step 4: Simplify right side
    15,784.53x = 140,092,848.34
  5. Step 5: Solve for x
    x = 140,092,848.34/15,784.53
  6. Step 6: Final answer
    x = 8,875.33

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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.