Home / 10,645.29-14,690.50-5,865.30

Finding the Fourth Proportional to 10,645.29, 14,690.50 and 5,865.30

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Solution

The fourth proportional to 10,645.29, 14,690.50 and 5,865.30 is: 8,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.29 : 14,690.50 = 5,865.30 : x
  2. Step 2: Convert to fraction form
    10,645.29/14,690.50 = 5,865.30/x
  3. Step 3: Cross multiply
    10,645.29x = 14,690.50 × 5,865.30
  4. Step 4: Simplify right side
    10,645.29x = 86,164,174.99
  5. Step 5: Solve for x
    x = 86,164,174.99/10,645.29
  6. Step 6: Final answer
    x = 8,094.11

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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.