Home / 13,458.28-20,185.98-4,693

Finding the Fourth Proportional to 13,458.28, 20,185.98 and 4,693

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Solution

The fourth proportional to 13,458.28, 20,185.98 and 4,693 is: 7,039.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.28 : 20,185.98 = 4,693 : x
  2. Step 2: Convert to fraction form
    13,458.28/20,185.98 = 4,693/x
  3. Step 3: Cross multiply
    13,458.28x = 20,185.98 × 4,693
  4. Step 4: Simplify right side
    13,458.28x = 94,732,804.14
  5. Step 5: Solve for x
    x = 94,732,804.14/13,458.28
  6. Step 6: Final answer
    x = 7,039.00

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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.