Home / 9,223.86-12,730.23-5,245.35

Finding the Fourth Proportional to 9,223.86, 12,730.23 and 5,245.35

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Solution

The fourth proportional to 9,223.86, 12,730.23 and 5,245.35 is: 7,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,223.86 : 12,730.23 = 5,245.35 : x
  2. Step 2: Convert to fraction form
    9,223.86/12,730.23 = 5,245.35/x
  3. Step 3: Cross multiply
    9,223.86x = 12,730.23 × 5,245.35
  4. Step 4: Simplify right side
    9,223.86x = 66,774,511.93
  5. Step 5: Solve for x
    x = 66,774,511.93/9,223.86
  6. Step 6: Final answer
    x = 7,239.32

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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.