Home / 15,652.09-21,598.91-8,578.01

Finding the Fourth Proportional to 15,652.09, 21,598.91 and 8,578.01

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Solution

The fourth proportional to 15,652.09, 21,598.91 and 8,578.01 is: 11,837.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652.09 : 21,598.91 = 8,578.01 : x
  2. Step 2: Convert to fraction form
    15,652.09/21,598.91 = 8,578.01/x
  3. Step 3: Cross multiply
    15,652.09x = 21,598.91 × 8,578.01
  4. Step 4: Simplify right side
    15,652.09x = 185,275,623.08
  5. Step 5: Solve for x
    x = 185,275,623.08/15,652.09
  6. Step 6: Final answer
    x = 11,837.12

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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.