Home / 10,242.70-14,129.03-6,464.52

Finding the Fourth Proportional to 10,242.70, 14,129.03 and 6,464.52

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Solution

The fourth proportional to 10,242.70, 14,129.03 and 6,464.52 is: 8,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.70 : 14,129.03 = 6,464.52 : x
  2. Step 2: Convert to fraction form
    10,242.70/14,129.03 = 6,464.52/x
  3. Step 3: Cross multiply
    10,242.70x = 14,129.03 × 6,464.52
  4. Step 4: Simplify right side
    10,242.70x = 91,337,413.18
  5. Step 5: Solve for x
    x = 91,337,413.18/10,242.70
  6. Step 6: Final answer
    x = 8,917.32

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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.