Home / 12,318.48-18,485.01-4,532.76

Finding the Fourth Proportional to 12,318.48, 18,485.01 and 4,532.76

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Solution

The fourth proportional to 12,318.48, 18,485.01 and 4,532.76 is: 6,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318.48 : 18,485.01 = 4,532.76 : x
  2. Step 2: Convert to fraction form
    12,318.48/18,485.01 = 4,532.76/x
  3. Step 3: Cross multiply
    12,318.48x = 18,485.01 × 4,532.76
  4. Step 4: Simplify right side
    12,318.48x = 83,788,113.93
  5. Step 5: Solve for x
    x = 83,788,113.93/12,318.48
  6. Step 6: Final answer
    x = 6,801.82

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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.