Home / 12,858.67-19,289.56-4,536.98

Finding the Fourth Proportional to 12,858.67, 19,289.56 and 4,536.98

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Solution

The fourth proportional to 12,858.67, 19,289.56 and 4,536.98 is: 6,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.67 : 19,289.56 = 4,536.98 : x
  2. Step 2: Convert to fraction form
    12,858.67/19,289.56 = 4,536.98/x
  3. Step 3: Cross multiply
    12,858.67x = 19,289.56 × 4,536.98
  4. Step 4: Simplify right side
    12,858.67x = 87,516,228.80
  5. Step 5: Solve for x
    x = 87,516,228.80/12,858.67
  6. Step 6: Final answer
    x = 6,806.01

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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.