Home / 12,866.86-19,300.35-4,545.93

Finding the Fourth Proportional to 12,866.86, 19,300.35 and 4,545.93

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Solution

The fourth proportional to 12,866.86, 19,300.35 and 4,545.93 is: 6,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866.86 : 19,300.35 = 4,545.93 : x
  2. Step 2: Convert to fraction form
    12,866.86/19,300.35 = 4,545.93/x
  3. Step 3: Cross multiply
    12,866.86x = 19,300.35 × 4,545.93
  4. Step 4: Simplify right side
    12,866.86x = 87,738,040.08
  5. Step 5: Solve for x
    x = 87,738,040.08/12,866.86
  6. Step 6: Final answer
    x = 6,818.92

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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.