Home / 10,999.02-15,178.68-6,283.20

Finding the Fourth Proportional to 10,999.02, 15,178.68 and 6,283.20

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Solution

The fourth proportional to 10,999.02, 15,178.68 and 6,283.20 is: 8,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.02 : 15,178.68 = 6,283.20 : x
  2. Step 2: Convert to fraction form
    10,999.02/15,178.68 = 6,283.20/x
  3. Step 3: Cross multiply
    10,999.02x = 15,178.68 × 6,283.20
  4. Step 4: Simplify right side
    10,999.02x = 95,370,682.18
  5. Step 5: Solve for x
    x = 95,370,682.18/10,999.02
  6. Step 6: Final answer
    x = 8,670.83

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1.5x scale

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.