Home / 14,505.89-20,017.73-8,537.91

Finding the Fourth Proportional to 14,505.89, 20,017.73 and 8,537.91

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Solution

The fourth proportional to 14,505.89, 20,017.73 and 8,537.91 is: 11,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.89 : 20,017.73 = 8,537.91 : x
  2. Step 2: Convert to fraction form
    14,505.89/20,017.73 = 8,537.91/x
  3. Step 3: Cross multiply
    14,505.89x = 20,017.73 × 8,537.91
  4. Step 4: Simplify right side
    14,505.89x = 170,909,523.42
  5. Step 5: Solve for x
    x = 170,909,523.42/14,505.89
  6. Step 6: Final answer
    x = 11,782.08

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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.