Home / 10,862.85-14,991.18-6,672.45

Finding the Fourth Proportional to 10,862.85, 14,991.18 and 6,672.45

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Solution

The fourth proportional to 10,862.85, 14,991.18 and 6,672.45 is: 9,208.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.85 : 14,991.18 = 6,672.45 : x
  2. Step 2: Convert to fraction form
    10,862.85/14,991.18 = 6,672.45/x
  3. Step 3: Cross multiply
    10,862.85x = 14,991.18 × 6,672.45
  4. Step 4: Simplify right side
    10,862.85x = 100,027,898.99
  5. Step 5: Solve for x
    x = 100,027,898.99/10,862.85
  6. Step 6: Final answer
    x = 9,208.26

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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.