Home / 13,583.88-18,746.65-7,615.94

Finding the Fourth Proportional to 13,583.88, 18,746.65 and 7,615.94

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Solution

The fourth proportional to 13,583.88, 18,746.65 and 7,615.94 is: 10,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.88 : 18,746.65 = 7,615.94 : x
  2. Step 2: Convert to fraction form
    13,583.88/18,746.65 = 7,615.94/x
  3. Step 3: Cross multiply
    13,583.88x = 18,746.65 × 7,615.94
  4. Step 4: Simplify right side
    13,583.88x = 142,773,361.60
  5. Step 5: Solve for x
    x = 142,773,361.60/13,583.88
  6. Step 6: Final answer
    x = 10,510.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.