Home / 19,269.19-28,903.23-8,731.60

Finding the Fourth Proportional to 19,269.19, 28,903.23 and 8,731.60

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Solution

The fourth proportional to 19,269.19, 28,903.23 and 8,731.60 is: 13,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.19 : 28,903.23 = 8,731.60 : x
  2. Step 2: Convert to fraction form
    19,269.19/28,903.23 = 8,731.60/x
  3. Step 3: Cross multiply
    19,269.19x = 28,903.23 × 8,731.60
  4. Step 4: Simplify right side
    19,269.19x = 252,371,370.81
  5. Step 5: Solve for x
    x = 252,371,370.81/19,269.19
  6. Step 6: Final answer
    x = 13,097.14

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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.