Home / 12,830.76-19,248.93-4,065.75

Finding the Fourth Proportional to 12,830.76, 19,248.93 and 4,065.75

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Solution

The fourth proportional to 12,830.76, 19,248.93 and 4,065.75 is: 6,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830.76 : 19,248.93 = 4,065.75 : x
  2. Step 2: Convert to fraction form
    12,830.76/19,248.93 = 4,065.75/x
  3. Step 3: Cross multiply
    12,830.76x = 19,248.93 × 4,065.75
  4. Step 4: Simplify right side
    12,830.76x = 78,261,337.15
  5. Step 5: Solve for x
    x = 78,261,337.15/12,830.76
  6. Step 6: Final answer
    x = 6,099.51

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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.