Home / 15,623.58-21,564.15-9,575.64

Finding the Fourth Proportional to 15,623.58, 21,564.15 and 9,575.64

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Solution

The fourth proportional to 15,623.58, 21,564.15 and 9,575.64 is: 13,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.58 : 21,564.15 = 9,575.64 : x
  2. Step 2: Convert to fraction form
    15,623.58/21,564.15 = 9,575.64/x
  3. Step 3: Cross multiply
    15,623.58x = 21,564.15 × 9,575.64
  4. Step 4: Simplify right side
    15,623.58x = 206,490,537.31
  5. Step 5: Solve for x
    x = 206,490,537.31/15,623.58
  6. Step 6: Final answer
    x = 13,216.60

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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.