Home / 9,919.02-14,878.14-3,345.06

Finding the Fourth Proportional to 9,919.02, 14,878.14 and 3,345.06

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Solution

The fourth proportional to 9,919.02, 14,878.14 and 3,345.06 is: 5,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.02 : 14,878.14 = 3,345.06 : x
  2. Step 2: Convert to fraction form
    9,919.02/14,878.14 = 3,345.06/x
  3. Step 3: Cross multiply
    9,919.02x = 14,878.14 × 3,345.06
  4. Step 4: Simplify right side
    9,919.02x = 49,768,270.99
  5. Step 5: Solve for x
    x = 49,768,270.99/9,919.02
  6. Step 6: Final answer
    x = 5,017.46

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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.