Home / 9,618.77-14,431.73-3,379.47

Finding the Fourth Proportional to 9,618.77, 14,431.73 and 3,379.47

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Solution

The fourth proportional to 9,618.77, 14,431.73 and 3,379.47 is: 5,070.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.77 : 14,431.73 = 3,379.47 : x
  2. Step 2: Convert to fraction form
    9,618.77/14,431.73 = 3,379.47/x
  3. Step 3: Cross multiply
    9,618.77x = 14,431.73 × 3,379.47
  4. Step 4: Simplify right side
    9,618.77x = 48,771,581.69
  5. Step 5: Solve for x
    x = 48,771,581.69/9,618.77
  6. Step 6: Final answer
    x = 5,070.46

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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.