Home / 12,456.06-18,683.88-5,886.96

Finding the Fourth Proportional to 12,456.06, 18,683.88 and 5,886.96

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Solution

The fourth proportional to 12,456.06, 18,683.88 and 5,886.96 is: 8,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456.06 : 18,683.88 = 5,886.96 : x
  2. Step 2: Convert to fraction form
    12,456.06/18,683.88 = 5,886.96/x
  3. Step 3: Cross multiply
    12,456.06x = 18,683.88 × 5,886.96
  4. Step 4: Simplify right side
    12,456.06x = 109,991,254.20
  5. Step 5: Solve for x
    x = 109,991,254.20/12,456.06
  6. Step 6: Final answer
    x = 8,830.34

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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.