Home / 12,548.93-18,826.55-8,858.36

Finding the Fourth Proportional to 12,548.93, 18,826.55 and 8,858.36

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Solution

The fourth proportional to 12,548.93, 18,826.55 and 8,858.36 is: 13,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.93 : 18,826.55 = 8,858.36 : x
  2. Step 2: Convert to fraction form
    12,548.93/18,826.55 = 8,858.36/x
  3. Step 3: Cross multiply
    12,548.93x = 18,826.55 × 8,858.36
  4. Step 4: Simplify right side
    12,548.93x = 166,772,357.46
  5. Step 5: Solve for x
    x = 166,772,357.46/12,548.93
  6. Step 6: Final answer
    x = 13,289.77

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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.