Home / 13,149.48-19,723.68-7,302.36

Finding the Fourth Proportional to 13,149.48, 19,723.68 and 7,302.36

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Solution

The fourth proportional to 13,149.48, 19,723.68 and 7,302.36 is: 10,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.48 : 19,723.68 = 7,302.36 : x
  2. Step 2: Convert to fraction form
    13,149.48/19,723.68 = 7,302.36/x
  3. Step 3: Cross multiply
    13,149.48x = 19,723.68 × 7,302.36
  4. Step 4: Simplify right side
    13,149.48x = 144,029,411.88
  5. Step 5: Solve for x
    x = 144,029,411.88/13,149.48
  6. Step 6: Final answer
    x = 10,953.24

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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.