Home / 9,390.66-14,018.70-8,734.56

Finding the Fourth Proportional to 9,390.66, 14,018.70 and 8,734.56

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Solution

The fourth proportional to 9,390.66, 14,018.70 and 8,734.56 is: 13,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.66 : 14,018.70 = 8,734.56 : x
  2. Step 2: Convert to fraction form
    9,390.66/14,018.70 = 8,734.56/x
  3. Step 3: Cross multiply
    9,390.66x = 14,018.70 × 8,734.56
  4. Step 4: Simplify right side
    9,390.66x = 122,447,176.27
  5. Step 5: Solve for x
    x = 122,447,176.27/9,390.66
  6. Step 6: Final answer
    x = 13,039.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.