Home / 9,918.99-14,870.68-4,917.94

Finding the Fourth Proportional to 9,918.99, 14,870.68 and 4,917.94

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Solution

The fourth proportional to 9,918.99, 14,870.68 and 4,917.94 is: 7,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.99 : 14,870.68 = 4,917.94 : x
  2. Step 2: Convert to fraction form
    9,918.99/14,870.68 = 4,917.94/x
  3. Step 3: Cross multiply
    9,918.99x = 14,870.68 × 4,917.94
  4. Step 4: Simplify right side
    9,918.99x = 73,133,062.53
  5. Step 5: Solve for x
    x = 73,133,062.53/9,918.99
  6. Step 6: Final answer
    x = 7,373.04

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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.