Home / 13,180.13-19,767.47-4,857.99

Finding the Fourth Proportional to 13,180.13, 19,767.47 and 4,857.99

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Solution

The fourth proportional to 13,180.13, 19,767.47 and 4,857.99 is: 7,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.13 : 19,767.47 = 4,857.99 : x
  2. Step 2: Convert to fraction form
    13,180.13/19,767.47 = 4,857.99/x
  3. Step 3: Cross multiply
    13,180.13x = 19,767.47 × 4,857.99
  4. Step 4: Simplify right side
    13,180.13x = 96,030,147.30
  5. Step 5: Solve for x
    x = 96,030,147.30/13,180.13
  6. Step 6: Final answer
    x = 7,285.98

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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.