Home / 9,421.29-13,003.19-6,234.65

Finding the Fourth Proportional to 9,421.29, 13,003.19 and 6,234.65

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Solution

The fourth proportional to 9,421.29, 13,003.19 and 6,234.65 is: 8,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.29 : 13,003.19 = 6,234.65 : x
  2. Step 2: Convert to fraction form
    9,421.29/13,003.19 = 6,234.65/x
  3. Step 3: Cross multiply
    9,421.29x = 13,003.19 × 6,234.65
  4. Step 4: Simplify right side
    9,421.29x = 81,070,314.49
  5. Step 5: Solve for x
    x = 81,070,314.49/9,421.29
  6. Step 6: Final answer
    x = 8,605.01

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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.