Home / 19,260.09-28,890.13-7,254.51

Finding the Fourth Proportional to 19,260.09, 28,890.13 and 7,254.51

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Solution

The fourth proportional to 19,260.09, 28,890.13 and 7,254.51 is: 10,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.09 : 28,890.13 = 7,254.51 : x
  2. Step 2: Convert to fraction form
    19,260.09/28,890.13 = 7,254.51/x
  3. Step 3: Cross multiply
    19,260.09x = 28,890.13 × 7,254.51
  4. Step 4: Simplify right side
    19,260.09x = 209,583,718.85
  5. Step 5: Solve for x
    x = 209,583,718.85/19,260.09
  6. Step 6: Final answer
    x = 10,881.76

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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.