Home / 15,442.09-21,309.60-9,068.58

Finding the Fourth Proportional to 15,442.09, 21,309.60 and 9,068.58

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Solution

The fourth proportional to 15,442.09, 21,309.60 and 9,068.58 is: 12,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.09 : 21,309.60 = 9,068.58 : x
  2. Step 2: Convert to fraction form
    15,442.09/21,309.60 = 9,068.58/x
  3. Step 3: Cross multiply
    15,442.09x = 21,309.60 × 9,068.58
  4. Step 4: Simplify right side
    15,442.09x = 193,247,812.37
  5. Step 5: Solve for x
    x = 193,247,812.37/15,442.09
  6. Step 6: Final answer
    x = 12,514.36

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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.