Home / 12,332.24-18,490.23-4,430.80

Finding the Fourth Proportional to 12,332.24, 18,490.23 and 4,430.80

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Solution

The fourth proportional to 12,332.24, 18,490.23 and 4,430.80 is: 6,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.24 : 18,490.23 = 4,430.80 : x
  2. Step 2: Convert to fraction form
    12,332.24/18,490.23 = 4,430.80/x
  3. Step 3: Cross multiply
    12,332.24x = 18,490.23 × 4,430.80
  4. Step 4: Simplify right side
    12,332.24x = 81,926,418.63
  5. Step 5: Solve for x
    x = 81,926,418.63/12,332.24
  6. Step 6: Final answer
    x = 6,643.27

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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.