Home / 14,019.75-19,347.26-7,732.53

Finding the Fourth Proportional to 14,019.75, 19,347.26 and 7,732.53

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Solution

The fourth proportional to 14,019.75, 19,347.26 and 7,732.53 is: 10,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.75 : 19,347.26 = 7,732.53 : x
  2. Step 2: Convert to fraction form
    14,019.75/19,347.26 = 7,732.53/x
  3. Step 3: Cross multiply
    14,019.75x = 19,347.26 × 7,732.53
  4. Step 4: Simplify right side
    14,019.75x = 149,603,229.71
  5. Step 5: Solve for x
    x = 149,603,229.71/14,019.75
  6. Step 6: Final answer
    x = 10,670.89

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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.