Home / 12,237.40-16,886.46-8,464.60

Finding the Fourth Proportional to 12,237.40, 16,886.46 and 8,464.60

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Solution

The fourth proportional to 12,237.40, 16,886.46 and 8,464.60 is: 11,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.40 : 16,886.46 = 8,464.60 : x
  2. Step 2: Convert to fraction form
    12,237.40/16,886.46 = 8,464.60/x
  3. Step 3: Cross multiply
    12,237.40x = 16,886.46 × 8,464.60
  4. Step 4: Simplify right side
    12,237.40x = 142,937,129.32
  5. Step 5: Solve for x
    x = 142,937,129.32/12,237.40
  6. Step 6: Final answer
    x = 11,680.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.