Home / 13,360.98-18,439.56-7,695.96

Finding the Fourth Proportional to 13,360.98, 18,439.56 and 7,695.96

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Solution

The fourth proportional to 13,360.98, 18,439.56 and 7,695.96 is: 10,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.98 : 18,439.56 = 7,695.96 : x
  2. Step 2: Convert to fraction form
    13,360.98/18,439.56 = 7,695.96/x
  3. Step 3: Cross multiply
    13,360.98x = 18,439.56 × 7,695.96
  4. Step 4: Simplify right side
    13,360.98x = 141,910,116.18
  5. Step 5: Solve for x
    x = 141,910,116.18/13,360.98
  6. Step 6: Final answer
    x = 10,621.24

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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.