Home / 20,725.02-31,069.06-9,625.66

Finding the Fourth Proportional to 20,725.02, 31,069.06 and 9,625.66

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Solution

The fourth proportional to 20,725.02, 31,069.06 and 9,625.66 is: 14,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725.02 : 31,069.06 = 9,625.66 : x
  2. Step 2: Convert to fraction form
    20,725.02/31,069.06 = 9,625.66/x
  3. Step 3: Cross multiply
    20,725.02x = 31,069.06 × 9,625.66
  4. Step 4: Simplify right side
    20,725.02x = 299,060,106.34
  5. Step 5: Solve for x
    x = 299,060,106.34/20,725.02
  6. Step 6: Final answer
    x = 14,429.91

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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.