Home / 10,566.18-15,858.79-5,640.03

Finding the Fourth Proportional to 10,566.18, 15,858.79 and 5,640.03

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Solution

The fourth proportional to 10,566.18, 15,858.79 and 5,640.03 is: 8,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,566.18 : 15,858.79 = 5,640.03 : x
  2. Step 2: Convert to fraction form
    10,566.18/15,858.79 = 5,640.03/x
  3. Step 3: Cross multiply
    10,566.18x = 15,858.79 × 5,640.03
  4. Step 4: Simplify right side
    10,566.18x = 89,444,037.26
  5. Step 5: Solve for x
    x = 89,444,037.26/10,566.18
  6. Step 6: Final answer
    x = 8,465.13

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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.