Home / 12,470.02-18,658.83-9,997.36

Finding the Fourth Proportional to 12,470.02, 18,658.83 and 9,997.36

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Solution

The fourth proportional to 12,470.02, 18,658.83 and 9,997.36 is: 14,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.02 : 18,658.83 = 9,997.36 : x
  2. Step 2: Convert to fraction form
    12,470.02/18,658.83 = 9,997.36/x
  3. Step 3: Cross multiply
    12,470.02x = 18,658.83 × 9,997.36
  4. Step 4: Simplify right side
    12,470.02x = 186,539,040.69
  5. Step 5: Solve for x
    x = 186,539,040.69/12,470.02
  6. Step 6: Final answer
    x = 14,959.00

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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.