Home / 9,459.86-13,054.45-5,211.32

Finding the Fourth Proportional to 9,459.86, 13,054.45 and 5,211.32

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Solution

The fourth proportional to 9,459.86, 13,054.45 and 5,211.32 is: 7,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.86 : 13,054.45 = 5,211.32 : x
  2. Step 2: Convert to fraction form
    9,459.86/13,054.45 = 5,211.32/x
  3. Step 3: Cross multiply
    9,459.86x = 13,054.45 × 5,211.32
  4. Step 4: Simplify right side
    9,459.86x = 68,030,890.32
  5. Step 5: Solve for x
    x = 68,030,890.32/9,459.86
  6. Step 6: Final answer
    x = 7,191.54

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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.