Home / 19,097.80-28,638.60-9,240.10

Finding the Fourth Proportional to 19,097.80, 28,638.60 and 9,240.10

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Solution

The fourth proportional to 19,097.80, 28,638.60 and 9,240.10 is: 13,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,097.80 : 28,638.60 = 9,240.10 : x
  2. Step 2: Convert to fraction form
    19,097.80/28,638.60 = 9,240.10/x
  3. Step 3: Cross multiply
    19,097.80x = 28,638.60 × 9,240.10
  4. Step 4: Simplify right side
    19,097.80x = 264,623,527.86
  5. Step 5: Solve for x
    x = 264,623,527.86/19,097.80
  6. Step 6: Final answer
    x = 13,856.23

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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.