Home / 11,941.40-16,470.14-7,219.80

Finding the Fourth Proportional to 11,941.40, 16,470.14 and 7,219.80

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Solution

The fourth proportional to 11,941.40, 16,470.14 and 7,219.80 is: 9,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.40 : 16,470.14 = 7,219.80 : x
  2. Step 2: Convert to fraction form
    11,941.40/16,470.14 = 7,219.80/x
  3. Step 3: Cross multiply
    11,941.40x = 16,470.14 × 7,219.80
  4. Step 4: Simplify right side
    11,941.40x = 118,911,116.77
  5. Step 5: Solve for x
    x = 118,911,116.77/11,941.40
  6. Step 6: Final answer
    x = 9,957.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.