Home / 14,448.72-21,690.34-8,608.08

Finding the Fourth Proportional to 14,448.72, 21,690.34 and 8,608.08

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Solution

The fourth proportional to 14,448.72, 21,690.34 and 8,608.08 is: 12,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.72 : 21,690.34 = 8,608.08 : x
  2. Step 2: Convert to fraction form
    14,448.72/21,690.34 = 8,608.08/x
  3. Step 3: Cross multiply
    14,448.72x = 21,690.34 × 8,608.08
  4. Step 4: Simplify right side
    14,448.72x = 186,712,181.95
  5. Step 5: Solve for x
    x = 186,712,181.95/14,448.72
  6. Step 6: Final answer
    x = 12,922.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.