Home / 12,413.05-17,130.59-7,311.41

Finding the Fourth Proportional to 12,413.05, 17,130.59 and 7,311.41

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Solution

The fourth proportional to 12,413.05, 17,130.59 and 7,311.41 is: 10,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.05 : 17,130.59 = 7,311.41 : x
  2. Step 2: Convert to fraction form
    12,413.05/17,130.59 = 7,311.41/x
  3. Step 3: Cross multiply
    12,413.05x = 17,130.59 × 7,311.41
  4. Step 4: Simplify right side
    12,413.05x = 125,248,832.84
  5. Step 5: Solve for x
    x = 125,248,832.84/12,413.05
  6. Step 6: Final answer
    x = 10,090.10

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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.