Home / 13,234.04-18,264.66-7,643.96

Finding the Fourth Proportional to 13,234.04, 18,264.66 and 7,643.96

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Solution

The fourth proportional to 13,234.04, 18,264.66 and 7,643.96 is: 10,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.04 : 18,264.66 = 7,643.96 : x
  2. Step 2: Convert to fraction form
    13,234.04/18,264.66 = 7,643.96/x
  3. Step 3: Cross multiply
    13,234.04x = 18,264.66 × 7,643.96
  4. Step 4: Simplify right side
    13,234.04x = 139,614,330.45
  5. Step 5: Solve for x
    x = 139,614,330.45/13,234.04
  6. Step 6: Final answer
    x = 10,549.64

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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.