Home / 11,259.77-15,539.45-6,543.75

Finding the Fourth Proportional to 11,259.77, 15,539.45 and 6,543.75

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Solution

The fourth proportional to 11,259.77, 15,539.45 and 6,543.75 is: 9,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.77 : 15,539.45 = 6,543.75 : x
  2. Step 2: Convert to fraction form
    11,259.77/15,539.45 = 6,543.75/x
  3. Step 3: Cross multiply
    11,259.77x = 15,539.45 × 6,543.75
  4. Step 4: Simplify right side
    11,259.77x = 101,686,243.22
  5. Step 5: Solve for x
    x = 101,686,243.22/11,259.77
  6. Step 6: Final answer
    x = 9,030.93

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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.