Home / 15,117.09-20,869.02-11,596.02

Finding the Fourth Proportional to 15,117.09, 20,869.02 and 11,596.02

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Solution

The fourth proportional to 15,117.09, 20,869.02 and 11,596.02 is: 16,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.09 : 20,869.02 = 11,596.02 : x
  2. Step 2: Convert to fraction form
    15,117.09/20,869.02 = 11,596.02/x
  3. Step 3: Cross multiply
    15,117.09x = 20,869.02 × 11,596.02
  4. Step 4: Simplify right side
    15,117.09x = 241,997,573.30
  5. Step 5: Solve for x
    x = 241,997,573.30/15,117.09
  6. Step 6: Final answer
    x = 16,008.21

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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.