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Finding the Fourth Proportional to 14,826.40, 22,210.80 and 8,240.80

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Solution

The fourth proportional to 14,826.40, 22,210.80 and 8,240.80 is: 12,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826.40 : 22,210.80 = 8,240.80 : x
  2. Step 2: Convert to fraction form
    14,826.40/22,210.80 = 8,240.80/x
  3. Step 3: Cross multiply
    14,826.40x = 22,210.80 × 8,240.80
  4. Step 4: Simplify right side
    14,826.40x = 183,034,760.64
  5. Step 5: Solve for x
    x = 183,034,760.64/14,826.40
  6. Step 6: Final answer
    x = 12,345.19

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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.