Home / 15,284.48-21,096.34-9,319.44

Finding the Fourth Proportional to 15,284.48, 21,096.34 and 9,319.44

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Solution

The fourth proportional to 15,284.48, 21,096.34 and 9,319.44 is: 12,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.48 : 21,096.34 = 9,319.44 : x
  2. Step 2: Convert to fraction form
    15,284.48/21,096.34 = 9,319.44/x
  3. Step 3: Cross multiply
    15,284.48x = 21,096.34 × 9,319.44
  4. Step 4: Simplify right side
    15,284.48x = 196,606,051.55
  5. Step 5: Solve for x
    x = 196,606,051.55/15,284.48
  6. Step 6: Final answer
    x = 12,863.11

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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.