Home / 19,012.08-28,530.54-8,623.92

Finding the Fourth Proportional to 19,012.08, 28,530.54 and 8,623.92

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Solution

The fourth proportional to 19,012.08, 28,530.54 and 8,623.92 is: 12,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.08 : 28,530.54 = 8,623.92 : x
  2. Step 2: Convert to fraction form
    19,012.08/28,530.54 = 8,623.92/x
  3. Step 3: Cross multiply
    19,012.08x = 28,530.54 × 8,623.92
  4. Step 4: Simplify right side
    19,012.08x = 246,045,094.52
  5. Step 5: Solve for x
    x = 246,045,094.52/19,012.08
  6. Step 6: Final answer
    x = 12,941.51

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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.