Home / 12,130.02-16,744.10-8,162.44

Finding the Fourth Proportional to 12,130.02, 16,744.10 and 8,162.44

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Solution

The fourth proportional to 12,130.02, 16,744.10 and 8,162.44 is: 11,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.02 : 16,744.10 = 8,162.44 : x
  2. Step 2: Convert to fraction form
    12,130.02/16,744.10 = 8,162.44/x
  3. Step 3: Cross multiply
    12,130.02x = 16,744.10 × 8,162.44
  4. Step 4: Simplify right side
    12,130.02x = 136,672,711.60
  5. Step 5: Solve for x
    x = 136,672,711.60/12,130.02
  6. Step 6: Final answer
    x = 11,267.31

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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.