Home / 10,206.51-14,083.89-5,730.75

Finding the Fourth Proportional to 10,206.51, 14,083.89 and 5,730.75

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Solution

The fourth proportional to 10,206.51, 14,083.89 and 5,730.75 is: 7,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.51 : 14,083.89 = 5,730.75 : x
  2. Step 2: Convert to fraction form
    10,206.51/14,083.89 = 5,730.75/x
  3. Step 3: Cross multiply
    10,206.51x = 14,083.89 × 5,730.75
  4. Step 4: Simplify right side
    10,206.51x = 80,711,252.62
  5. Step 5: Solve for x
    x = 80,711,252.62/10,206.51
  6. Step 6: Final answer
    x = 7,907.82

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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.