Home / 12,717.51-19,077.50-3,950.07

Finding the Fourth Proportional to 12,717.51, 19,077.50 and 3,950.07

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Solution

The fourth proportional to 12,717.51, 19,077.50 and 3,950.07 is: 5,925.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.51 : 19,077.50 = 3,950.07 : x
  2. Step 2: Convert to fraction form
    12,717.51/19,077.50 = 3,950.07/x
  3. Step 3: Cross multiply
    12,717.51x = 19,077.50 × 3,950.07
  4. Step 4: Simplify right side
    12,717.51x = 75,357,470.30
  5. Step 5: Solve for x
    x = 75,357,470.30/12,717.51
  6. Step 6: Final answer
    x = 5,925.49

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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.