Home / 10,354.04-14,288.63-5,638.44

Finding the Fourth Proportional to 10,354.04, 14,288.63 and 5,638.44

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Solution

The fourth proportional to 10,354.04, 14,288.63 and 5,638.44 is: 7,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.04 : 14,288.63 = 5,638.44 : x
  2. Step 2: Convert to fraction form
    10,354.04/14,288.63 = 5,638.44/x
  3. Step 3: Cross multiply
    10,354.04x = 14,288.63 × 5,638.44
  4. Step 4: Simplify right side
    10,354.04x = 80,565,582.94
  5. Step 5: Solve for x
    x = 80,565,582.94/10,354.04
  6. Step 6: Final answer
    x = 7,781.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.