Home / 19,026.08-26,255.04-10,640.96

Finding the Fourth Proportional to 19,026.08, 26,255.04 and 10,640.96

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Solution

The fourth proportional to 19,026.08, 26,255.04 and 10,640.96 is: 14,683.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.08 : 26,255.04 = 10,640.96 : x
  2. Step 2: Convert to fraction form
    19,026.08/26,255.04 = 10,640.96/x
  3. Step 3: Cross multiply
    19,026.08x = 26,255.04 × 10,640.96
  4. Step 4: Simplify right side
    19,026.08x = 279,378,830.44
  5. Step 5: Solve for x
    x = 279,378,830.44/19,026.08
  6. Step 6: Final answer
    x = 14,683.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.