Home / 19,814.22-29,700.95-8,718.84

Finding the Fourth Proportional to 19,814.22, 29,700.95 and 8,718.84

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Solution

The fourth proportional to 19,814.22, 29,700.95 and 8,718.84 is: 13,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.22 : 29,700.95 = 8,718.84 : x
  2. Step 2: Convert to fraction form
    19,814.22/29,700.95 = 8,718.84/x
  3. Step 3: Cross multiply
    19,814.22x = 29,700.95 × 8,718.84
  4. Step 4: Simplify right side
    19,814.22x = 258,957,787.30
  5. Step 5: Solve for x
    x = 258,957,787.30/19,814.22
  6. Step 6: Final answer
    x = 13,069.29

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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.