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Finding the Fourth Proportional to 9,459.52, 13,053.63 and 5,267.50

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Solution

The fourth proportional to 9,459.52, 13,053.63 and 5,267.50 is: 7,268.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.52 : 13,053.63 = 5,267.50 : x
  2. Step 2: Convert to fraction form
    9,459.52/13,053.63 = 5,267.50/x
  3. Step 3: Cross multiply
    9,459.52x = 13,053.63 × 5,267.50
  4. Step 4: Simplify right side
    9,459.52x = 68,759,996.03
  5. Step 5: Solve for x
    x = 68,759,996.03/9,459.52
  6. Step 6: Final answer
    x = 7,268.87

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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.