Home / 15,577.10-21,504.12-9,612.06

Finding the Fourth Proportional to 15,577.10, 21,504.12 and 9,612.06

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Solution

The fourth proportional to 15,577.10, 21,504.12 and 9,612.06 is: 13,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.10 : 21,504.12 = 9,612.06 : x
  2. Step 2: Convert to fraction form
    15,577.10/21,504.12 = 9,612.06/x
  3. Step 3: Cross multiply
    15,577.10x = 21,504.12 × 9,612.06
  4. Step 4: Simplify right side
    15,577.10x = 206,698,891.69
  5. Step 5: Solve for x
    x = 206,698,891.69/15,577.10
  6. Step 6: Final answer
    x = 13,269.41

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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.