Home / 9,885.30-14,827.32-5,203.90

Finding the Fourth Proportional to 9,885.30, 14,827.32 and 5,203.90

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Solution

The fourth proportional to 9,885.30, 14,827.32 and 5,203.90 is: 7,805.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.30 : 14,827.32 = 5,203.90 : x
  2. Step 2: Convert to fraction form
    9,885.30/14,827.32 = 5,203.90/x
  3. Step 3: Cross multiply
    9,885.30x = 14,827.32 × 5,203.90
  4. Step 4: Simplify right side
    9,885.30x = 77,159,890.55
  5. Step 5: Solve for x
    x = 77,159,890.55/9,885.30
  6. Step 6: Final answer
    x = 7,805.52

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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.