Home / 12,089.54-18,123.36-4,296.52

Finding the Fourth Proportional to 12,089.54, 18,123.36 and 4,296.52

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Solution

The fourth proportional to 12,089.54, 18,123.36 and 4,296.52 is: 6,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.54 : 18,123.36 = 4,296.52 : x
  2. Step 2: Convert to fraction form
    12,089.54/18,123.36 = 4,296.52/x
  3. Step 3: Cross multiply
    12,089.54x = 18,123.36 × 4,296.52
  4. Step 4: Simplify right side
    12,089.54x = 77,867,378.71
  5. Step 5: Solve for x
    x = 77,867,378.71/12,089.54
  6. Step 6: Final answer
    x = 6,440.89

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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.