Home / 12,464.16-18,663.12-7,527.12

Finding the Fourth Proportional to 12,464.16, 18,663.12 and 7,527.12

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Solution

The fourth proportional to 12,464.16, 18,663.12 and 7,527.12 is: 11,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.16 : 18,663.12 = 7,527.12 : x
  2. Step 2: Convert to fraction form
    12,464.16/18,663.12 = 7,527.12/x
  3. Step 3: Cross multiply
    12,464.16x = 18,663.12 × 7,527.12
  4. Step 4: Simplify right side
    12,464.16x = 140,479,543.81
  5. Step 5: Solve for x
    x = 140,479,543.81/12,464.16
  6. Step 6: Final answer
    x = 11,270.68

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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.