Home / 19,055.40-28,585.38-7,211.04

Finding the Fourth Proportional to 19,055.40, 28,585.38 and 7,211.04

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Solution

The fourth proportional to 19,055.40, 28,585.38 and 7,211.04 is: 10,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,055.40 : 28,585.38 = 7,211.04 : x
  2. Step 2: Convert to fraction form
    19,055.40/28,585.38 = 7,211.04/x
  3. Step 3: Cross multiply
    19,055.40x = 28,585.38 × 7,211.04
  4. Step 4: Simplify right side
    19,055.40x = 206,130,318.60
  5. Step 5: Solve for x
    x = 206,130,318.60/19,055.40
  6. Step 6: Final answer
    x = 10,817.42

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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.