Home / 15,612.01-21,544.13-8,537.99

Finding the Fourth Proportional to 15,612.01, 21,544.13 and 8,537.99

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Solution

The fourth proportional to 15,612.01, 21,544.13 and 8,537.99 is: 11,782.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.01 : 21,544.13 = 8,537.99 : x
  2. Step 2: Convert to fraction form
    15,612.01/21,544.13 = 8,537.99/x
  3. Step 3: Cross multiply
    15,612.01x = 21,544.13 × 8,537.99
  4. Step 4: Simplify right side
    15,612.01x = 183,943,480.12
  5. Step 5: Solve for x
    x = 183,943,480.12/15,612.01
  6. Step 6: Final answer
    x = 11,782.18

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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.