Home / 16,848.60-25,222.98-12,485.64

Finding the Fourth Proportional to 16,848.60, 25,222.98 and 12,485.64

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Solution

The fourth proportional to 16,848.60, 25,222.98 and 12,485.64 is: 18,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,848.60 : 25,222.98 = 12,485.64 : x
  2. Step 2: Convert to fraction form
    16,848.60/25,222.98 = 12,485.64/x
  3. Step 3: Cross multiply
    16,848.60x = 25,222.98 × 12,485.64
  4. Step 4: Simplify right side
    16,848.60x = 314,925,048.01
  5. Step 5: Solve for x
    x = 314,925,048.01/16,848.60
  6. Step 6: Final answer
    x = 18,691.47

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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.