Home / 19,263.06-28,899.72-8,170.20

Finding the Fourth Proportional to 19,263.06, 28,899.72 and 8,170.20

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Solution

The fourth proportional to 19,263.06, 28,899.72 and 8,170.20 is: 12,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.06 : 28,899.72 = 8,170.20 : x
  2. Step 2: Convert to fraction form
    19,263.06/28,899.72 = 8,170.20/x
  3. Step 3: Cross multiply
    19,263.06x = 28,899.72 × 8,170.20
  4. Step 4: Simplify right side
    19,263.06x = 236,116,492.34
  5. Step 5: Solve for x
    x = 236,116,492.34/19,263.06
  6. Step 6: Final answer
    x = 12,257.48

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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.