Home / 12,865.86-19,298.85-4,544.93

Finding the Fourth Proportional to 12,865.86, 19,298.85 and 4,544.93

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Solution

The fourth proportional to 12,865.86, 19,298.85 and 4,544.93 is: 6,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865.86 : 19,298.85 = 4,544.93 : x
  2. Step 2: Convert to fraction form
    12,865.86/19,298.85 = 4,544.93/x
  3. Step 3: Cross multiply
    12,865.86x = 19,298.85 × 4,544.93
  4. Step 4: Simplify right side
    12,865.86x = 87,711,825.84
  5. Step 5: Solve for x
    x = 87,711,825.84/12,865.86
  6. Step 6: Final answer
    x = 6,817.41

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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.