Home / 21,479.19-32,206.23-8,153.07

Finding the Fourth Proportional to 21,479.19, 32,206.23 and 8,153.07

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Solution

The fourth proportional to 21,479.19, 32,206.23 and 8,153.07 is: 12,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479.19 : 32,206.23 = 8,153.07 : x
  2. Step 2: Convert to fraction form
    21,479.19/32,206.23 = 8,153.07/x
  3. Step 3: Cross multiply
    21,479.19x = 32,206.23 × 8,153.07
  4. Step 4: Simplify right side
    21,479.19x = 262,579,647.63
  5. Step 5: Solve for x
    x = 262,579,647.63/21,479.19
  6. Step 6: Final answer
    x = 12,224.84

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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.