Home / 14,184.48-21,269.60-8,263.28

Finding the Fourth Proportional to 14,184.48, 21,269.60 and 8,263.28

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Solution

The fourth proportional to 14,184.48, 21,269.60 and 8,263.28 is: 12,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.48 : 21,269.60 = 8,263.28 : x
  2. Step 2: Convert to fraction form
    14,184.48/21,269.60 = 8,263.28/x
  3. Step 3: Cross multiply
    14,184.48x = 21,269.60 × 8,263.28
  4. Step 4: Simplify right side
    14,184.48x = 175,756,660.29
  5. Step 5: Solve for x
    x = 175,756,660.29/14,184.48
  6. Step 6: Final answer
    x = 12,390.77

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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.