Home / 13,948.75-20,926.16-6,157.56

Finding the Fourth Proportional to 13,948.75, 20,926.16 and 6,157.56

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Solution

The fourth proportional to 13,948.75, 20,926.16 and 6,157.56 is: 9,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.75 : 20,926.16 = 6,157.56 : x
  2. Step 2: Convert to fraction form
    13,948.75/20,926.16 = 6,157.56/x
  3. Step 3: Cross multiply
    13,948.75x = 20,926.16 × 6,157.56
  4. Step 4: Simplify right side
    13,948.75x = 128,854,085.77
  5. Step 5: Solve for x
    x = 128,854,085.77/13,948.75
  6. Step 6: Final answer
    x = 9,237.68

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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.