Home / 9,459.86-14,189.81-3,907.13

Finding the Fourth Proportional to 9,459.86, 14,189.81 and 3,907.13

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Solution

The fourth proportional to 9,459.86, 14,189.81 and 3,907.13 is: 5,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.86 : 14,189.81 = 3,907.13 : x
  2. Step 2: Convert to fraction form
    9,459.86/14,189.81 = 3,907.13/x
  3. Step 3: Cross multiply
    9,459.86x = 14,189.81 × 3,907.13
  4. Step 4: Simplify right side
    9,459.86x = 55,441,341.86
  5. Step 5: Solve for x
    x = 55,441,341.86/9,459.86
  6. Step 6: Final answer
    x = 5,860.70

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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.