Home / 9,430.98-13,015.56-5,239.50

Finding the Fourth Proportional to 9,430.98, 13,015.56 and 5,239.50

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Solution

The fourth proportional to 9,430.98, 13,015.56 and 5,239.50 is: 7,230.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.98 : 13,015.56 = 5,239.50 : x
  2. Step 2: Convert to fraction form
    9,430.98/13,015.56 = 5,239.50/x
  3. Step 3: Cross multiply
    9,430.98x = 13,015.56 × 5,239.50
  4. Step 4: Simplify right side
    9,430.98x = 68,195,026.62
  5. Step 5: Solve for x
    x = 68,195,026.62/9,430.98
  6. Step 6: Final answer
    x = 7,230.96

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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.