Home / 14,053.30-21,079.64-4,192.36

Finding the Fourth Proportional to 14,053.30, 21,079.64 and 4,192.36

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Solution

The fourth proportional to 14,053.30, 21,079.64 and 4,192.36 is: 6,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.30 : 21,079.64 = 4,192.36 : x
  2. Step 2: Convert to fraction form
    14,053.30/21,079.64 = 4,192.36/x
  3. Step 3: Cross multiply
    14,053.30x = 21,079.64 × 4,192.36
  4. Step 4: Simplify right side
    14,053.30x = 88,373,397.33
  5. Step 5: Solve for x
    x = 88,373,397.33/14,053.30
  6. Step 6: Final answer
    x = 6,288.45

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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.