Home / 15,551.34-21,460.90-8,837.00

Finding the Fourth Proportional to 15,551.34, 21,460.90 and 8,837.00

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Solution

The fourth proportional to 15,551.34, 21,460.90 and 8,837.00 is: 12,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.34 : 21,460.90 = 8,837.00 : x
  2. Step 2: Convert to fraction form
    15,551.34/21,460.90 = 8,837.00/x
  3. Step 3: Cross multiply
    15,551.34x = 21,460.90 × 8,837.00
  4. Step 4: Simplify right side
    15,551.34x = 189,649,940.95
  5. Step 5: Solve for x
    x = 189,649,940.95/15,551.34
  6. Step 6: Final answer
    x = 12,195.09

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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.