Home / 11,869.02-16,372.40-7,677.27

Finding the Fourth Proportional to 11,869.02, 16,372.40 and 7,677.27

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Solution

The fourth proportional to 11,869.02, 16,372.40 and 7,677.27 is: 10,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.02 : 16,372.40 = 7,677.27 : x
  2. Step 2: Convert to fraction form
    11,869.02/16,372.40 = 7,677.27/x
  3. Step 3: Cross multiply
    11,869.02x = 16,372.40 × 7,677.27
  4. Step 4: Simplify right side
    11,869.02x = 125,695,296.96
  5. Step 5: Solve for x
    x = 125,695,296.96/11,869.02
  6. Step 6: Final answer
    x = 10,590.20

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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.