Home / 11,840.02-16,345.13-7,365.20

Finding the Fourth Proportional to 11,840.02, 16,345.13 and 7,365.20

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Solution

The fourth proportional to 11,840.02, 16,345.13 and 7,365.20 is: 10,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.02 : 16,345.13 = 7,365.20 : x
  2. Step 2: Convert to fraction form
    11,840.02/16,345.13 = 7,365.20/x
  3. Step 3: Cross multiply
    11,840.02x = 16,345.13 × 7,365.20
  4. Step 4: Simplify right side
    11,840.02x = 120,385,151.48
  5. Step 5: Solve for x
    x = 120,385,151.48/11,840.02
  6. Step 6: Final answer
    x = 10,167.65

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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.