Home / 13,765.90-20,646.23-5,866.93

Finding the Fourth Proportional to 13,765.90, 20,646.23 and 5,866.93

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Solution

The fourth proportional to 13,765.90, 20,646.23 and 5,866.93 is: 8,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.90 : 20,646.23 = 5,866.93 : x
  2. Step 2: Convert to fraction form
    13,765.90/20,646.23 = 5,866.93/x
  3. Step 3: Cross multiply
    13,765.90x = 20,646.23 × 5,866.93
  4. Step 4: Simplify right side
    13,765.90x = 121,129,882.94
  5. Step 5: Solve for x
    x = 121,129,882.94/13,765.90
  6. Step 6: Final answer
    x = 8,799.27

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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.