Home / 9,040.04-13,498.53-7,977

Finding the Fourth Proportional to 9,040.04, 13,498.53 and 7,977

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Solution

The fourth proportional to 9,040.04, 13,498.53 and 7,977 is: 11,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.04 : 13,498.53 = 7,977 : x
  2. Step 2: Convert to fraction form
    9,040.04/13,498.53 = 7,977/x
  3. Step 3: Cross multiply
    9,040.04x = 13,498.53 × 7,977
  4. Step 4: Simplify right side
    9,040.04x = 107,677,773.81
  5. Step 5: Solve for x
    x = 107,677,773.81/9,040.04
  6. Step 6: Final answer
    x = 11,911.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.