Home / 12,740.64-19,110.42-4,951.14

Finding the Fourth Proportional to 12,740.64, 19,110.42 and 4,951.14

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Solution

The fourth proportional to 12,740.64, 19,110.42 and 4,951.14 is: 7,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740.64 : 19,110.42 = 4,951.14 : x
  2. Step 2: Convert to fraction form
    12,740.64/19,110.42 = 4,951.14/x
  3. Step 3: Cross multiply
    12,740.64x = 19,110.42 × 4,951.14
  4. Step 4: Simplify right side
    12,740.64x = 94,618,364.88
  5. Step 5: Solve for x
    x = 94,618,364.88/12,740.64
  6. Step 6: Final answer
    x = 7,426.50

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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.