Home / 14,258.12-19,675.30-7,884.54

Finding the Fourth Proportional to 14,258.12, 19,675.30 and 7,884.54

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Solution

The fourth proportional to 14,258.12, 19,675.30 and 7,884.54 is: 10,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.12 : 19,675.30 = 7,884.54 : x
  2. Step 2: Convert to fraction form
    14,258.12/19,675.30 = 7,884.54/x
  3. Step 3: Cross multiply
    14,258.12x = 19,675.30 × 7,884.54
  4. Step 4: Simplify right side
    14,258.12x = 155,130,689.86
  5. Step 5: Solve for x
    x = 155,130,689.86/14,258.12
  6. Step 6: Final answer
    x = 10,880.16

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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.