Home / 20,946.02-28,903.65-11,514.38

Finding the Fourth Proportional to 20,946.02, 28,903.65 and 11,514.38

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Solution

The fourth proportional to 20,946.02, 28,903.65 and 11,514.38 is: 15,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946.02 : 28,903.65 = 11,514.38 : x
  2. Step 2: Convert to fraction form
    20,946.02/28,903.65 = 11,514.38/x
  3. Step 3: Cross multiply
    20,946.02x = 28,903.65 × 11,514.38
  4. Step 4: Simplify right side
    20,946.02x = 332,807,609.49
  5. Step 5: Solve for x
    x = 332,807,609.49/20,946.02
  6. Step 6: Final answer
    x = 15,888.82

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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.