Home / 13,001.72-19,505.51-4,117.58

Finding the Fourth Proportional to 13,001.72, 19,505.51 and 4,117.58

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Solution

The fourth proportional to 13,001.72, 19,505.51 and 4,117.58 is: 6,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.72 : 19,505.51 = 4,117.58 : x
  2. Step 2: Convert to fraction form
    13,001.72/19,505.51 = 4,117.58/x
  3. Step 3: Cross multiply
    13,001.72x = 19,505.51 × 4,117.58
  4. Step 4: Simplify right side
    13,001.72x = 80,315,526.04
  5. Step 5: Solve for x
    x = 80,315,526.04/13,001.72
  6. Step 6: Final answer
    x = 6,177.30

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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.