Home / 9,705.13-14,561.11-4,778.23

Finding the Fourth Proportional to 9,705.13, 14,561.11 and 4,778.23

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Solution

The fourth proportional to 9,705.13, 14,561.11 and 4,778.23 is: 7,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.13 : 14,561.11 = 4,778.23 : x
  2. Step 2: Convert to fraction form
    9,705.13/14,561.11 = 4,778.23/x
  3. Step 3: Cross multiply
    9,705.13x = 14,561.11 × 4,778.23
  4. Step 4: Simplify right side
    9,705.13x = 69,576,305.67
  5. Step 5: Solve for x
    x = 69,576,305.67/9,705.13
  6. Step 6: Final answer
    x = 7,169.02

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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.