Home / 19,448.20-29,168.20-8,360.11

Finding the Fourth Proportional to 19,448.20, 29,168.20 and 8,360.11

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Solution

The fourth proportional to 19,448.20, 29,168.20 and 8,360.11 is: 12,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.20 : 29,168.20 = 8,360.11 : x
  2. Step 2: Convert to fraction form
    19,448.20/29,168.20 = 8,360.11/x
  3. Step 3: Cross multiply
    19,448.20x = 29,168.20 × 8,360.11
  4. Step 4: Simplify right side
    19,448.20x = 243,849,407.41
  5. Step 5: Solve for x
    x = 243,849,407.41/19,448.20
  6. Step 6: Final answer
    x = 12,538.40

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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.