Home / 14,413.12-21,658.56-12,607.36

Finding the Fourth Proportional to 14,413.12, 21,658.56 and 12,607.36

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Solution

The fourth proportional to 14,413.12, 21,658.56 and 12,607.36 is: 18,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.12 : 21,658.56 = 12,607.36 : x
  2. Step 2: Convert to fraction form
    14,413.12/21,658.56 = 12,607.36/x
  3. Step 3: Cross multiply
    14,413.12x = 21,658.56 × 12,607.36
  4. Step 4: Simplify right side
    14,413.12x = 273,057,263.00
  5. Step 5: Solve for x
    x = 273,057,263.00/14,413.12
  6. Step 6: Final answer
    x = 18,945.05

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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.