Home / 14,184.09-21,279.38-6,790.41

Finding the Fourth Proportional to 14,184.09, 21,279.38 and 6,790.41

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Solution

The fourth proportional to 14,184.09, 21,279.38 and 6,790.41 is: 10,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.09 : 21,279.38 = 6,790.41 : x
  2. Step 2: Convert to fraction form
    14,184.09/21,279.38 = 6,790.41/x
  3. Step 3: Cross multiply
    14,184.09x = 21,279.38 × 6,790.41
  4. Step 4: Simplify right side
    14,184.09x = 144,495,680.79
  5. Step 5: Solve for x
    x = 144,495,680.79/14,184.09
  6. Step 6: Final answer
    x = 10,187.17

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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.