Home / 10,270.93-15,413.69-9,279.49

Finding the Fourth Proportional to 10,270.93, 15,413.69 and 9,279.49

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Solution

The fourth proportional to 10,270.93, 15,413.69 and 9,279.49 is: 13,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.93 : 15,413.69 = 9,279.49 : x
  2. Step 2: Convert to fraction form
    10,270.93/15,413.69 = 9,279.49/x
  3. Step 3: Cross multiply
    10,270.93x = 15,413.69 × 9,279.49
  4. Step 4: Simplify right side
    10,270.93x = 143,031,182.22
  5. Step 5: Solve for x
    x = 143,031,182.22/10,270.93
  6. Step 6: Final answer
    x = 13,925.83

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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.