Home / 12,935.32-19,403.04-4,615.68

Finding the Fourth Proportional to 12,935.32, 19,403.04 and 4,615.68

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Solution

The fourth proportional to 12,935.32, 19,403.04 and 4,615.68 is: 6,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.32 : 19,403.04 = 4,615.68 : x
  2. Step 2: Convert to fraction form
    12,935.32/19,403.04 = 4,615.68/x
  3. Step 3: Cross multiply
    12,935.32x = 19,403.04 × 4,615.68
  4. Step 4: Simplify right side
    12,935.32x = 89,558,223.67
  5. Step 5: Solve for x
    x = 89,558,223.67/12,935.32
  6. Step 6: Final answer
    x = 6,923.54

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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.