Home / 9,986.54-14,959.74-4,973.80

Finding the Fourth Proportional to 9,986.54, 14,959.74 and 4,973.80

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Solution

The fourth proportional to 9,986.54, 14,959.74 and 4,973.80 is: 7,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.54 : 14,959.74 = 4,973.80 : x
  2. Step 2: Convert to fraction form
    9,986.54/14,959.74 = 4,973.80/x
  3. Step 3: Cross multiply
    9,986.54x = 14,959.74 × 4,973.80
  4. Step 4: Simplify right side
    9,986.54x = 74,406,754.81
  5. Step 5: Solve for x
    x = 74,406,754.81/9,986.54
  6. Step 6: Final answer
    x = 7,450.70

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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.