Home / 19,639.40-29,466.39-9,114.62

Finding the Fourth Proportional to 19,639.40, 29,466.39 and 9,114.62

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Solution

The fourth proportional to 19,639.40, 29,466.39 and 9,114.62 is: 13,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.40 : 29,466.39 = 9,114.62 : x
  2. Step 2: Convert to fraction form
    19,639.40/29,466.39 = 9,114.62/x
  3. Step 3: Cross multiply
    19,639.40x = 29,466.39 × 9,114.62
  4. Step 4: Simplify right side
    19,639.40x = 268,574,947.62
  5. Step 5: Solve for x
    x = 268,574,947.62/19,639.40
  6. Step 6: Final answer
    x = 13,675.31

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1.5x scale

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.