Home / 15,577.16-21,495.78-8,863.34

Finding the Fourth Proportional to 15,577.16, 21,495.78 and 8,863.34

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Solution

The fourth proportional to 15,577.16, 21,495.78 and 8,863.34 is: 12,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.16 : 21,495.78 = 8,863.34 : x
  2. Step 2: Convert to fraction form
    15,577.16/21,495.78 = 8,863.34/x
  3. Step 3: Cross multiply
    15,577.16x = 21,495.78 × 8,863.34
  4. Step 4: Simplify right side
    15,577.16x = 190,524,406.71
  5. Step 5: Solve for x
    x = 190,524,406.71/15,577.16
  6. Step 6: Final answer
    x = 12,231.01

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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.