Home / 9,430.37-13,015.51-5,453.90

Finding the Fourth Proportional to 9,430.37, 13,015.51 and 5,453.90

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Solution

The fourth proportional to 9,430.37, 13,015.51 and 5,453.90 is: 7,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.37 : 13,015.51 = 5,453.90 : x
  2. Step 2: Convert to fraction form
    9,430.37/13,015.51 = 5,453.90/x
  3. Step 3: Cross multiply
    9,430.37x = 13,015.51 × 5,453.90
  4. Step 4: Simplify right side
    9,430.37x = 70,985,211.28
  5. Step 5: Solve for x
    x = 70,985,211.28/9,430.37
  6. Step 6: Final answer
    x = 7,527.30

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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.