Home / 10,482.87-15,706.20-7,356.93

Finding the Fourth Proportional to 10,482.87, 15,706.20 and 7,356.93

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Solution

The fourth proportional to 10,482.87, 15,706.20 and 7,356.93 is: 11,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.87 : 15,706.20 = 7,356.93 : x
  2. Step 2: Convert to fraction form
    10,482.87/15,706.20 = 7,356.93/x
  3. Step 3: Cross multiply
    10,482.87x = 15,706.20 × 7,356.93
  4. Step 4: Simplify right side
    10,482.87x = 115,549,382.66
  5. Step 5: Solve for x
    x = 115,549,382.66/10,482.87
  6. Step 6: Final answer
    x = 11,022.69

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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.