Home / 12,903.84-19,345.84-5,110.56

Finding the Fourth Proportional to 12,903.84, 19,345.84 and 5,110.56

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Solution

The fourth proportional to 12,903.84, 19,345.84 and 5,110.56 is: 7,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.84 : 19,345.84 = 5,110.56 : x
  2. Step 2: Convert to fraction form
    12,903.84/19,345.84 = 5,110.56/x
  3. Step 3: Cross multiply
    12,903.84x = 19,345.84 × 5,110.56
  4. Step 4: Simplify right side
    12,903.84x = 98,868,076.07
  5. Step 5: Solve for x
    x = 98,868,076.07/12,903.84
  6. Step 6: Final answer
    x = 7,661.91

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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.