Home / 12,146.02-16,762.22-7,431.20

Finding the Fourth Proportional to 12,146.02, 16,762.22 and 7,431.20

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Solution

The fourth proportional to 12,146.02, 16,762.22 and 7,431.20 is: 10,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.02 : 16,762.22 = 7,431.20 : x
  2. Step 2: Convert to fraction form
    12,146.02/16,762.22 = 7,431.20/x
  3. Step 3: Cross multiply
    12,146.02x = 16,762.22 × 7,431.20
  4. Step 4: Simplify right side
    12,146.02x = 124,563,409.26
  5. Step 5: Solve for x
    x = 124,563,409.26/12,146.02
  6. Step 6: Final answer
    x = 10,255.49

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Half scale
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Double scale
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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.