Home / 13,282.04-18,328.18-7,616.72

Finding the Fourth Proportional to 13,282.04, 18,328.18 and 7,616.72

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Solution

The fourth proportional to 13,282.04, 18,328.18 and 7,616.72 is: 10,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.04 : 18,328.18 = 7,616.72 : x
  2. Step 2: Convert to fraction form
    13,282.04/18,328.18 = 7,616.72/x
  3. Step 3: Cross multiply
    13,282.04x = 18,328.18 × 7,616.72
  4. Step 4: Simplify right side
    13,282.04x = 139,600,615.17
  5. Step 5: Solve for x
    x = 139,600,615.17/13,282.04
  6. Step 6: Final answer
    x = 10,510.48

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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.