Home / 13,130.02-19,648.80-8,201.98

Finding the Fourth Proportional to 13,130.02, 19,648.80 and 8,201.98

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Solution

The fourth proportional to 13,130.02, 19,648.80 and 8,201.98 is: 12,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130.02 : 19,648.80 = 8,201.98 : x
  2. Step 2: Convert to fraction form
    13,130.02/19,648.80 = 8,201.98/x
  3. Step 3: Cross multiply
    13,130.02x = 19,648.80 × 8,201.98
  4. Step 4: Simplify right side
    13,130.02x = 161,159,064.62
  5. Step 5: Solve for x
    x = 161,159,064.62/13,130.02
  6. Step 6: Final answer
    x = 12,274.09

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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.