Home / 11,259.18-15,533.88-7,285.32

Finding the Fourth Proportional to 11,259.18, 15,533.88 and 7,285.32

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Solution

The fourth proportional to 11,259.18, 15,533.88 and 7,285.32 is: 10,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.18 : 15,533.88 = 7,285.32 : x
  2. Step 2: Convert to fraction form
    11,259.18/15,533.88 = 7,285.32/x
  3. Step 3: Cross multiply
    11,259.18x = 15,533.88 × 7,285.32
  4. Step 4: Simplify right side
    11,259.18x = 113,169,286.64
  5. Step 5: Solve for x
    x = 113,169,286.64/11,259.18
  6. Step 6: Final answer
    x = 10,051.29

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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.