Home / 9,345.98-14,027.16-5,190.68

Finding the Fourth Proportional to 9,345.98, 14,027.16 and 5,190.68

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Solution

The fourth proportional to 9,345.98, 14,027.16 and 5,190.68 is: 7,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.98 : 14,027.16 = 5,190.68 : x
  2. Step 2: Convert to fraction form
    9,345.98/14,027.16 = 5,190.68/x
  3. Step 3: Cross multiply
    9,345.98x = 14,027.16 × 5,190.68
  4. Step 4: Simplify right side
    9,345.98x = 72,810,428.73
  5. Step 5: Solve for x
    x = 72,810,428.73/9,345.98
  6. Step 6: Final answer
    x = 7,790.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.