Home / 13,262.16-18,303.55-8,560.12

Finding the Fourth Proportional to 13,262.16, 18,303.55 and 8,560.12

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Solution

The fourth proportional to 13,262.16, 18,303.55 and 8,560.12 is: 11,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.16 : 18,303.55 = 8,560.12 : x
  2. Step 2: Convert to fraction form
    13,262.16/18,303.55 = 8,560.12/x
  3. Step 3: Cross multiply
    13,262.16x = 18,303.55 × 8,560.12
  4. Step 4: Simplify right side
    13,262.16x = 156,680,584.43
  5. Step 5: Solve for x
    x = 156,680,584.43/13,262.16
  6. Step 6: Final answer
    x = 11,814.11

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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.