Home / 10,189.11-15,284.48-4,345.77

Finding the Fourth Proportional to 10,189.11, 15,284.48 and 4,345.77

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Solution

The fourth proportional to 10,189.11, 15,284.48 and 4,345.77 is: 6,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.11 : 15,284.48 = 4,345.77 : x
  2. Step 2: Convert to fraction form
    10,189.11/15,284.48 = 4,345.77/x
  3. Step 3: Cross multiply
    10,189.11x = 15,284.48 × 4,345.77
  4. Step 4: Simplify right side
    10,189.11x = 66,422,812.92
  5. Step 5: Solve for x
    x = 66,422,812.92/10,189.11
  6. Step 6: Final answer
    x = 6,519.00

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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.