Home / 15,566.90-21,505.75-10,202.09

Finding the Fourth Proportional to 15,566.90, 21,505.75 and 10,202.09

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Solution

The fourth proportional to 15,566.90, 21,505.75 and 10,202.09 is: 14,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.90 : 21,505.75 = 10,202.09 : x
  2. Step 2: Convert to fraction form
    15,566.90/21,505.75 = 10,202.09/x
  3. Step 3: Cross multiply
    15,566.90x = 21,505.75 × 10,202.09
  4. Step 4: Simplify right side
    15,566.90x = 219,403,625.28
  5. Step 5: Solve for x
    x = 219,403,625.28/15,566.90
  6. Step 6: Final answer
    x = 14,094.24

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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.