Home / 9,947.21-14,918.70-2,925.32

Finding the Fourth Proportional to 9,947.21, 14,918.70 and 2,925.32

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Solution

The fourth proportional to 9,947.21, 14,918.70 and 2,925.32 is: 4,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.21 : 14,918.70 = 2,925.32 : x
  2. Step 2: Convert to fraction form
    9,947.21/14,918.70 = 2,925.32/x
  3. Step 3: Cross multiply
    9,947.21x = 14,918.70 × 2,925.32
  4. Step 4: Simplify right side
    9,947.21x = 43,641,896.89
  5. Step 5: Solve for x
    x = 43,641,896.89/9,947.21
  6. Step 6: Final answer
    x = 4,387.35

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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.