Home / 14,331.02-19,791.80-9,866.30

Finding the Fourth Proportional to 14,331.02, 19,791.80 and 9,866.30

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Solution

The fourth proportional to 14,331.02, 19,791.80 and 9,866.30 is: 13,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.02 : 19,791.80 = 9,866.30 : x
  2. Step 2: Convert to fraction form
    14,331.02/19,791.80 = 9,866.30/x
  3. Step 3: Cross multiply
    14,331.02x = 19,791.80 × 9,866.30
  4. Step 4: Simplify right side
    14,331.02x = 195,271,836.34
  5. Step 5: Solve for x
    x = 195,271,836.34/14,331.02
  6. Step 6: Final answer
    x = 13,625.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.