Home / 9,664.98-13,337.01-5,415.90

Finding the Fourth Proportional to 9,664.98, 13,337.01 and 5,415.90

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Solution

The fourth proportional to 9,664.98, 13,337.01 and 5,415.90 is: 7,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.98 : 13,337.01 = 5,415.90 : x
  2. Step 2: Convert to fraction form
    9,664.98/13,337.01 = 5,415.90/x
  3. Step 3: Cross multiply
    9,664.98x = 13,337.01 × 5,415.90
  4. Step 4: Simplify right side
    9,664.98x = 72,231,912.46
  5. Step 5: Solve for x
    x = 72,231,912.46/9,664.98
  6. Step 6: Final answer
    x = 7,473.57

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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.