Home / 12,060.02-18,117.84-11,561.80

Finding the Fourth Proportional to 12,060.02, 18,117.84 and 11,561.80

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Solution

The fourth proportional to 12,060.02, 18,117.84 and 11,561.80 is: 17,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.02 : 18,117.84 = 11,561.80 : x
  2. Step 2: Convert to fraction form
    12,060.02/18,117.84 = 11,561.80/x
  3. Step 3: Cross multiply
    12,060.02x = 18,117.84 × 11,561.80
  4. Step 4: Simplify right side
    12,060.02x = 209,474,784.70
  5. Step 5: Solve for x
    x = 209,474,784.70/12,060.02
  6. Step 6: Final answer
    x = 17,369.36

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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.