Home / 10,289.99-15,435.06-2,895.19

Finding the Fourth Proportional to 10,289.99, 15,435.06 and 2,895.19

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Solution

The fourth proportional to 10,289.99, 15,435.06 and 2,895.19 is: 4,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.99 : 15,435.06 = 2,895.19 : x
  2. Step 2: Convert to fraction form
    10,289.99/15,435.06 = 2,895.19/x
  3. Step 3: Cross multiply
    10,289.99x = 15,435.06 × 2,895.19
  4. Step 4: Simplify right side
    10,289.99x = 44,687,468.74
  5. Step 5: Solve for x
    x = 44,687,468.74/10,289.99
  6. Step 6: Final answer
    x = 4,342.81

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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.