Home / 18,946.26-28,410.75-12,271.86

Finding the Fourth Proportional to 18,946.26, 28,410.75 and 12,271.86

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Solution

The fourth proportional to 18,946.26, 28,410.75 and 12,271.86 is: 18,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.26 : 28,410.75 = 12,271.86 : x
  2. Step 2: Convert to fraction form
    18,946.26/28,410.75 = 12,271.86/x
  3. Step 3: Cross multiply
    18,946.26x = 28,410.75 × 12,271.86
  4. Step 4: Simplify right side
    18,946.26x = 348,652,746.50
  5. Step 5: Solve for x
    x = 348,652,746.50/18,946.26
  6. Step 6: Final answer
    x = 18,402.19

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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.