Home / 9,918.77-14,878.20-3,345.02

Finding the Fourth Proportional to 9,918.77, 14,878.20 and 3,345.02

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Solution

The fourth proportional to 9,918.77, 14,878.20 and 3,345.02 is: 5,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.77 : 14,878.20 = 3,345.02 : x
  2. Step 2: Convert to fraction form
    9,918.77/14,878.20 = 3,345.02/x
  3. Step 3: Cross multiply
    9,918.77x = 14,878.20 × 3,345.02
  4. Step 4: Simplify right side
    9,918.77x = 49,767,802.17
  5. Step 5: Solve for x
    x = 49,767,802.17/9,918.77
  6. Step 6: Final answer
    x = 5,017.54

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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.