Home / 17,280.32-23,815.60-13,002.34

Finding the Fourth Proportional to 17,280.32, 23,815.60 and 13,002.34

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Solution

The fourth proportional to 17,280.32, 23,815.60 and 13,002.34 is: 17,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.32 : 23,815.60 = 13,002.34 : x
  2. Step 2: Convert to fraction form
    17,280.32/23,815.60 = 13,002.34/x
  3. Step 3: Cross multiply
    17,280.32x = 23,815.60 × 13,002.34
  4. Step 4: Simplify right side
    17,280.32x = 309,658,528.50
  5. Step 5: Solve for x
    x = 309,658,528.50/17,280.32
  6. Step 6: Final answer
    x = 17,919.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.