Home / 12,413.52-17,130.60-6,748.20

Finding the Fourth Proportional to 12,413.52, 17,130.60 and 6,748.20

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Solution

The fourth proportional to 12,413.52, 17,130.60 and 6,748.20 is: 9,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.52 : 17,130.60 = 6,748.20 : x
  2. Step 2: Convert to fraction form
    12,413.52/17,130.60 = 6,748.20/x
  3. Step 3: Cross multiply
    12,413.52x = 17,130.60 × 6,748.20
  4. Step 4: Simplify right side
    12,413.52x = 115,600,714.92
  5. Step 5: Solve for x
    x = 115,600,714.92/12,413.52
  6. Step 6: Final answer
    x = 9,312.48

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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.