Home / 13,077.42-19,618.56-4,312.96

Finding the Fourth Proportional to 13,077.42, 19,618.56 and 4,312.96

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Solution

The fourth proportional to 13,077.42, 19,618.56 and 4,312.96 is: 6,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.42 : 19,618.56 = 4,312.96 : x
  2. Step 2: Convert to fraction form
    13,077.42/19,618.56 = 4,312.96/x
  3. Step 3: Cross multiply
    13,077.42x = 19,618.56 × 4,312.96
  4. Step 4: Simplify right side
    13,077.42x = 84,614,064.54
  5. Step 5: Solve for x
    x = 84,614,064.54/13,077.42
  6. Step 6: Final answer
    x = 6,470.24

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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.