Home / 12,798.80-19,176.60-6,210.80

Finding the Fourth Proportional to 12,798.80, 19,176.60 and 6,210.80

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Solution

The fourth proportional to 12,798.80, 19,176.60 and 6,210.80 is: 9,305.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.80 : 19,176.60 = 6,210.80 : x
  2. Step 2: Convert to fraction form
    12,798.80/19,176.60 = 6,210.80/x
  3. Step 3: Cross multiply
    12,798.80x = 19,176.60 × 6,210.80
  4. Step 4: Simplify right side
    12,798.80x = 119,102,027.28
  5. Step 5: Solve for x
    x = 119,102,027.28/12,798.80
  6. Step 6: Final answer
    x = 9,305.72

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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.