Home / 13,833.12-19,089.04-7,545.12

Finding the Fourth Proportional to 13,833.12, 19,089.04 and 7,545.12

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Solution

The fourth proportional to 13,833.12, 19,089.04 and 7,545.12 is: 10,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.12 : 19,089.04 = 7,545.12 : x
  2. Step 2: Convert to fraction form
    13,833.12/19,089.04 = 7,545.12/x
  3. Step 3: Cross multiply
    13,833.12x = 19,089.04 × 7,545.12
  4. Step 4: Simplify right side
    13,833.12x = 144,029,097.48
  5. Step 5: Solve for x
    x = 144,029,097.48/13,833.12
  6. Step 6: Final answer
    x = 10,411.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.