Home / 10,413.18-14,370.12-5,697.45

Finding the Fourth Proportional to 10,413.18, 14,370.12 and 5,697.45

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Solution

The fourth proportional to 10,413.18, 14,370.12 and 5,697.45 is: 7,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.18 : 14,370.12 = 5,697.45 : x
  2. Step 2: Convert to fraction form
    10,413.18/14,370.12 = 5,697.45/x
  3. Step 3: Cross multiply
    10,413.18x = 14,370.12 × 5,697.45
  4. Step 4: Simplify right side
    10,413.18x = 81,873,040.19
  5. Step 5: Solve for x
    x = 81,873,040.19/10,413.18
  6. Step 6: Final answer
    x = 7,862.44

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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.