Home / 9,146.51-13,701.49-4,209.38

Finding the Fourth Proportional to 9,146.51, 13,701.49 and 4,209.38

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Solution

The fourth proportional to 9,146.51, 13,701.49 and 4,209.38 is: 6,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.51 : 13,701.49 = 4,209.38 : x
  2. Step 2: Convert to fraction form
    9,146.51/13,701.49 = 4,209.38/x
  3. Step 3: Cross multiply
    9,146.51x = 13,701.49 × 4,209.38
  4. Step 4: Simplify right side
    9,146.51x = 57,674,777.98
  5. Step 5: Solve for x
    x = 57,674,777.98/9,146.51
  6. Step 6: Final answer
    x = 6,305.66

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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.