Home / 13,431.09-20,146.02-4,666.69

Finding the Fourth Proportional to 13,431.09, 20,146.02 and 4,666.69

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Solution

The fourth proportional to 13,431.09, 20,146.02 and 4,666.69 is: 6,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431.09 : 20,146.02 = 4,666.69 : x
  2. Step 2: Convert to fraction form
    13,431.09/20,146.02 = 4,666.69/x
  3. Step 3: Cross multiply
    13,431.09x = 20,146.02 × 4,666.69
  4. Step 4: Simplify right side
    13,431.09x = 94,015,230.07
  5. Step 5: Solve for x
    x = 94,015,230.07/13,431.09
  6. Step 6: Final answer
    x = 6,999.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.