Home / 15,898.98-21,929.19-9,847.26

Finding the Fourth Proportional to 15,898.98, 21,929.19 and 9,847.26

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Solution

The fourth proportional to 15,898.98, 21,929.19 and 9,847.26 is: 13,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.98 : 21,929.19 = 9,847.26 : x
  2. Step 2: Convert to fraction form
    15,898.98/21,929.19 = 9,847.26/x
  3. Step 3: Cross multiply
    15,898.98x = 21,929.19 × 9,847.26
  4. Step 4: Simplify right side
    15,898.98x = 215,942,435.52
  5. Step 5: Solve for x
    x = 215,942,435.52/15,898.98
  6. Step 6: Final answer
    x = 13,582.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.