Home / 9,983.40-13,777.18-5,507.31

Finding the Fourth Proportional to 9,983.40, 13,777.18 and 5,507.31

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Solution

The fourth proportional to 9,983.40, 13,777.18 and 5,507.31 is: 7,600.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.40 : 13,777.18 = 5,507.31 : x
  2. Step 2: Convert to fraction form
    9,983.40/13,777.18 = 5,507.31/x
  3. Step 3: Cross multiply
    9,983.40x = 13,777.18 × 5,507.31
  4. Step 4: Simplify right side
    9,983.40x = 75,875,201.19
  5. Step 5: Solve for x
    x = 75,875,201.19/9,983.40
  6. Step 6: Final answer
    x = 7,600.14

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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.