Home / 13,445.94-18,574.32-10,774.86

Finding the Fourth Proportional to 13,445.94, 18,574.32 and 10,774.86

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Solution

The fourth proportional to 13,445.94, 18,574.32 and 10,774.86 is: 14,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.94 : 18,574.32 = 10,774.86 : x
  2. Step 2: Convert to fraction form
    13,445.94/18,574.32 = 10,774.86/x
  3. Step 3: Cross multiply
    13,445.94x = 18,574.32 × 10,774.86
  4. Step 4: Simplify right side
    13,445.94x = 200,135,697.60
  5. Step 5: Solve for x
    x = 200,135,697.60/13,445.94
  6. Step 6: Final answer
    x = 14,884.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.