Home / 12,230.02-18,332.10-5,660.50

Finding the Fourth Proportional to 12,230.02, 18,332.10 and 5,660.50

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Solution

The fourth proportional to 12,230.02, 18,332.10 and 5,660.50 is: 8,484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.02 : 18,332.10 = 5,660.50 : x
  2. Step 2: Convert to fraction form
    12,230.02/18,332.10 = 5,660.50/x
  3. Step 3: Cross multiply
    12,230.02x = 18,332.10 × 5,660.50
  4. Step 4: Simplify right side
    12,230.02x = 103,768,852.05
  5. Step 5: Solve for x
    x = 103,768,852.05/12,230.02
  6. Step 6: Final answer
    x = 8,484.77

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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.