Home / 11,259.20-15,533.60-6,542.40

Finding the Fourth Proportional to 11,259.20, 15,533.60 and 6,542.40

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Solution

The fourth proportional to 11,259.20, 15,533.60 and 6,542.40 is: 9,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.20 : 15,533.60 = 6,542.40 : x
  2. Step 2: Convert to fraction form
    11,259.20/15,533.60 = 6,542.40/x
  3. Step 3: Cross multiply
    11,259.20x = 15,533.60 × 6,542.40
  4. Step 4: Simplify right side
    11,259.20x = 101,627,024.64
  5. Step 5: Solve for x
    x = 101,627,024.64/11,259.20
  6. Step 6: Final answer
    x = 9,026.13

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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.