Home / 15,402.83-21,255.99-8,597.16

Finding the Fourth Proportional to 15,402.83, 21,255.99 and 8,597.16

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Solution

The fourth proportional to 15,402.83, 21,255.99 and 8,597.16 is: 11,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.83 : 21,255.99 = 8,597.16 : x
  2. Step 2: Convert to fraction form
    15,402.83/21,255.99 = 8,597.16/x
  3. Step 3: Cross multiply
    15,402.83x = 21,255.99 × 8,597.16
  4. Step 4: Simplify right side
    15,402.83x = 182,741,058.16
  5. Step 5: Solve for x
    x = 182,741,058.16/15,402.83
  6. Step 6: Final answer
    x = 11,864.12

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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.