Home / 13,158.76-19,741.32-4,394.32

Finding the Fourth Proportional to 13,158.76, 19,741.32 and 4,394.32

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Solution

The fourth proportional to 13,158.76, 19,741.32 and 4,394.32 is: 6,592.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.76 : 19,741.32 = 4,394.32 : x
  2. Step 2: Convert to fraction form
    13,158.76/19,741.32 = 4,394.32/x
  3. Step 3: Cross multiply
    13,158.76x = 19,741.32 × 4,394.32
  4. Step 4: Simplify right side
    13,158.76x = 86,749,677.30
  5. Step 5: Solve for x
    x = 86,749,677.30/13,158.76
  6. Step 6: Final answer
    x = 6,592.54

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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.