Home / 12,223.86-18,332.01-4,430.76

Finding the Fourth Proportional to 12,223.86, 18,332.01 and 4,430.76

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Solution

The fourth proportional to 12,223.86, 18,332.01 and 4,430.76 is: 6,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.86 : 18,332.01 = 4,430.76 : x
  2. Step 2: Convert to fraction form
    12,223.86/18,332.01 = 4,430.76/x
  3. Step 3: Cross multiply
    12,223.86x = 18,332.01 × 4,430.76
  4. Step 4: Simplify right side
    12,223.86x = 81,224,736.63
  5. Step 5: Solve for x
    x = 81,224,736.63/12,223.86
  6. Step 6: Final answer
    x = 6,644.77

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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.