Home / 9,361.48-14,038.80-3,120.36

Finding the Fourth Proportional to 9,361.48, 14,038.80 and 3,120.36

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Solution

The fourth proportional to 9,361.48, 14,038.80 and 3,120.36 is: 4,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.48 : 14,038.80 = 3,120.36 : x
  2. Step 2: Convert to fraction form
    9,361.48/14,038.80 = 3,120.36/x
  3. Step 3: Cross multiply
    9,361.48x = 14,038.80 × 3,120.36
  4. Step 4: Simplify right side
    9,361.48x = 43,806,109.97
  5. Step 5: Solve for x
    x = 43,806,109.97/9,361.48
  6. Step 6: Final answer
    x = 4,679.40

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1.5x scale

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.