Home / 15,772.23-21,763.32-9,058.14

Finding the Fourth Proportional to 15,772.23, 21,763.32 and 9,058.14

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Solution

The fourth proportional to 15,772.23, 21,763.32 and 9,058.14 is: 12,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.23 : 21,763.32 = 9,058.14 : x
  2. Step 2: Convert to fraction form
    15,772.23/21,763.32 = 9,058.14/x
  3. Step 3: Cross multiply
    15,772.23x = 21,763.32 × 9,058.14
  4. Step 4: Simplify right side
    15,772.23x = 197,135,199.42
  5. Step 5: Solve for x
    x = 197,135,199.42/15,772.23
  6. Step 6: Final answer
    x = 12,498.88

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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.