Home / 12,187.54-16,818.73-6,598.50

Finding the Fourth Proportional to 12,187.54, 16,818.73 and 6,598.50

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Solution

The fourth proportional to 12,187.54, 16,818.73 and 6,598.50 is: 9,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.54 : 16,818.73 = 6,598.50 : x
  2. Step 2: Convert to fraction form
    12,187.54/16,818.73 = 6,598.50/x
  3. Step 3: Cross multiply
    12,187.54x = 16,818.73 × 6,598.50
  4. Step 4: Simplify right side
    12,187.54x = 110,978,389.91
  5. Step 5: Solve for x
    x = 110,978,389.91/12,187.54
  6. Step 6: Final answer
    x = 9,105.89

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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.