Home / 13,242.72-19,866.96-4,009.44

Finding the Fourth Proportional to 13,242.72, 19,866.96 and 4,009.44

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Solution

The fourth proportional to 13,242.72, 19,866.96 and 4,009.44 is: 6,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.72 : 19,866.96 = 4,009.44 : x
  2. Step 2: Convert to fraction form
    13,242.72/19,866.96 = 4,009.44/x
  3. Step 3: Cross multiply
    13,242.72x = 19,866.96 × 4,009.44
  4. Step 4: Simplify right side
    13,242.72x = 79,655,384.10
  5. Step 5: Solve for x
    x = 79,655,384.10/13,242.72
  6. Step 6: Final answer
    x = 6,015.03

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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.