Home / 11,259.47-15,537.61-6,543.38

Finding the Fourth Proportional to 11,259.47, 15,537.61 and 6,543.38

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Solution

The fourth proportional to 11,259.47, 15,537.61 and 6,543.38 is: 9,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.47 : 15,537.61 = 6,543.38 : x
  2. Step 2: Convert to fraction form
    11,259.47/15,537.61 = 6,543.38/x
  3. Step 3: Cross multiply
    11,259.47x = 15,537.61 × 6,543.38
  4. Step 4: Simplify right side
    11,259.47x = 101,668,486.52
  5. Step 5: Solve for x
    x = 101,668,486.52/11,259.47
  6. Step 6: Final answer
    x = 9,029.60

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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.