Home / 19,260.48-28,890.69-7,254.88

Finding the Fourth Proportional to 19,260.48, 28,890.69 and 7,254.88

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Solution

The fourth proportional to 19,260.48, 28,890.69 and 7,254.88 is: 10,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.48 : 28,890.69 = 7,254.88 : x
  2. Step 2: Convert to fraction form
    19,260.48/28,890.69 = 7,254.88/x
  3. Step 3: Cross multiply
    19,260.48x = 28,890.69 × 7,254.88
  4. Step 4: Simplify right side
    19,260.48x = 209,598,489.07
  5. Step 5: Solve for x
    x = 209,598,489.07/19,260.48
  6. Step 6: Final answer
    x = 10,882.31

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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.