Home / 19,461.13-26,845.17-12,288.49

Finding the Fourth Proportional to 19,461.13, 26,845.17 and 12,288.49

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Solution

The fourth proportional to 19,461.13, 26,845.17 and 12,288.49 is: 16,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.13 : 26,845.17 = 12,288.49 : x
  2. Step 2: Convert to fraction form
    19,461.13/26,845.17 = 12,288.49/x
  3. Step 3: Cross multiply
    19,461.13x = 26,845.17 × 12,288.49
  4. Step 4: Simplify right side
    19,461.13x = 329,886,590.57
  5. Step 5: Solve for x
    x = 329,886,590.57/19,461.13
  6. Step 6: Final answer
    x = 16,951.05

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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.