Home / 13,146.48-19,715.70-4,827.12

Finding the Fourth Proportional to 13,146.48, 19,715.70 and 4,827.12

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Solution

The fourth proportional to 13,146.48, 19,715.70 and 4,827.12 is: 7,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146.48 : 19,715.70 = 4,827.12 : x
  2. Step 2: Convert to fraction form
    13,146.48/19,715.70 = 4,827.12/x
  3. Step 3: Cross multiply
    13,146.48x = 19,715.70 × 4,827.12
  4. Step 4: Simplify right side
    13,146.48x = 95,170,049.78
  5. Step 5: Solve for x
    x = 95,170,049.78/13,146.48
  6. Step 6: Final answer
    x = 7,239.20

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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.