Home / 9,811.18-13,539.70-5,335.24

Finding the Fourth Proportional to 9,811.18, 13,539.70 and 5,335.24

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Solution

The fourth proportional to 9,811.18, 13,539.70 and 5,335.24 is: 7,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.18 : 13,539.70 = 5,335.24 : x
  2. Step 2: Convert to fraction form
    9,811.18/13,539.70 = 5,335.24/x
  3. Step 3: Cross multiply
    9,811.18x = 13,539.70 × 5,335.24
  4. Step 4: Simplify right side
    9,811.18x = 72,237,549.03
  5. Step 5: Solve for x
    x = 72,237,549.03/9,811.18
  6. Step 6: Final answer
    x = 7,362.78

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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.