Home / 12,354.39-18,529.02-4,557.87

Finding the Fourth Proportional to 12,354.39, 18,529.02 and 4,557.87

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Solution

The fourth proportional to 12,354.39, 18,529.02 and 4,557.87 is: 6,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.39 : 18,529.02 = 4,557.87 : x
  2. Step 2: Convert to fraction form
    12,354.39/18,529.02 = 4,557.87/x
  3. Step 3: Cross multiply
    12,354.39x = 18,529.02 × 4,557.87
  4. Step 4: Simplify right side
    12,354.39x = 84,452,864.39
  5. Step 5: Solve for x
    x = 84,452,864.39/12,354.39
  6. Step 6: Final answer
    x = 6,835.86

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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.