Home / 9,319.35-14,010.47-5,166.79

Finding the Fourth Proportional to 9,319.35, 14,010.47 and 5,166.79

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Solution

The fourth proportional to 9,319.35, 14,010.47 and 5,166.79 is: 7,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.35 : 14,010.47 = 5,166.79 : x
  2. Step 2: Convert to fraction form
    9,319.35/14,010.47 = 5,166.79/x
  3. Step 3: Cross multiply
    9,319.35x = 14,010.47 × 5,166.79
  4. Step 4: Simplify right side
    9,319.35x = 72,389,114.81
  5. Step 5: Solve for x
    x = 72,389,114.81/9,319.35
  6. Step 6: Final answer
    x = 7,767.61

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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.