Home / 10,539.36-15,806.72-6,779.84

Finding the Fourth Proportional to 10,539.36, 15,806.72 and 6,779.84

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Solution

The fourth proportional to 10,539.36, 15,806.72 and 6,779.84 is: 10,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.36 : 15,806.72 = 6,779.84 : x
  2. Step 2: Convert to fraction form
    10,539.36/15,806.72 = 6,779.84/x
  3. Step 3: Cross multiply
    10,539.36x = 15,806.72 × 6,779.84
  4. Step 4: Simplify right side
    10,539.36x = 107,167,032.52
  5. Step 5: Solve for x
    x = 107,167,032.52/10,539.36
  6. Step 6: Final answer
    x = 10,168.27

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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.