Home / 12,807.23-19,210.80-5,959.99

Finding the Fourth Proportional to 12,807.23, 19,210.80 and 5,959.99

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Solution

The fourth proportional to 12,807.23, 19,210.80 and 5,959.99 is: 8,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807.23 : 19,210.80 = 5,959.99 : x
  2. Step 2: Convert to fraction form
    12,807.23/19,210.80 = 5,959.99/x
  3. Step 3: Cross multiply
    12,807.23x = 19,210.80 × 5,959.99
  4. Step 4: Simplify right side
    12,807.23x = 114,496,079.84
  5. Step 5: Solve for x
    x = 114,496,079.84/12,807.23
  6. Step 6: Final answer
    x = 8,939.96

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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.