Home / 15,647.88-21,594.06-8,574.24

Finding the Fourth Proportional to 15,647.88, 21,594.06 and 8,574.24

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Solution

The fourth proportional to 15,647.88, 21,594.06 and 8,574.24 is: 11,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.88 : 21,594.06 = 8,574.24 : x
  2. Step 2: Convert to fraction form
    15,647.88/21,594.06 = 8,574.24/x
  3. Step 3: Cross multiply
    15,647.88x = 21,594.06 × 8,574.24
  4. Step 4: Simplify right side
    15,647.88x = 185,152,653.01
  5. Step 5: Solve for x
    x = 185,152,653.01/15,647.88
  6. Step 6: Final answer
    x = 11,832.44

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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.