Home / 10,686.65-16,029.02-4,763.83

Finding the Fourth Proportional to 10,686.65, 16,029.02 and 4,763.83

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Solution

The fourth proportional to 10,686.65, 16,029.02 and 4,763.83 is: 7,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.65 : 16,029.02 = 4,763.83 : x
  2. Step 2: Convert to fraction form
    10,686.65/16,029.02 = 4,763.83/x
  3. Step 3: Cross multiply
    10,686.65x = 16,029.02 × 4,763.83
  4. Step 4: Simplify right side
    10,686.65x = 76,359,526.35
  5. Step 5: Solve for x
    x = 76,359,526.35/10,686.65
  6. Step 6: Final answer
    x = 7,145.32

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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.