Home / 9,971.52-13,760.44-5,779.52

Finding the Fourth Proportional to 9,971.52, 13,760.44 and 5,779.52

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Solution

The fourth proportional to 9,971.52, 13,760.44 and 5,779.52 is: 7,975.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.52 : 13,760.44 = 5,779.52 : x
  2. Step 2: Convert to fraction form
    9,971.52/13,760.44 = 5,779.52/x
  3. Step 3: Cross multiply
    9,971.52x = 13,760.44 × 5,779.52
  4. Step 4: Simplify right side
    9,971.52x = 79,528,738.19
  5. Step 5: Solve for x
    x = 79,528,738.19/9,971.52
  6. Step 6: Final answer
    x = 7,975.59

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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.