Home / 9,986.42-14,964.23-4,914.79

Finding the Fourth Proportional to 9,986.42, 14,964.23 and 4,914.79

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Solution

The fourth proportional to 9,986.42, 14,964.23 and 4,914.79 is: 7,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.42 : 14,964.23 = 4,914.79 : x
  2. Step 2: Convert to fraction form
    9,986.42/14,964.23 = 4,914.79/x
  3. Step 3: Cross multiply
    9,986.42x = 14,964.23 × 4,914.79
  4. Step 4: Simplify right side
    9,986.42x = 73,545,973.14
  5. Step 5: Solve for x
    x = 73,545,973.14/9,986.42
  6. Step 6: Final answer
    x = 7,364.60

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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.