Home / 15,284.36-21,096.17-9,319.32

Finding the Fourth Proportional to 15,284.36, 21,096.17 and 9,319.32

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Solution

The fourth proportional to 15,284.36, 21,096.17 and 9,319.32 is: 12,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.36 : 21,096.17 = 9,319.32 : x
  2. Step 2: Convert to fraction form
    15,284.36/21,096.17 = 9,319.32/x
  3. Step 3: Cross multiply
    15,284.36x = 21,096.17 × 9,319.32
  4. Step 4: Simplify right side
    15,284.36x = 196,601,806.93
  5. Step 5: Solve for x
    x = 196,601,806.93/15,284.36
  6. Step 6: Final answer
    x = 12,862.94

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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.