Home / 9,515.46-13,130.96-5,323.70

Finding the Fourth Proportional to 9,515.46, 13,130.96 and 5,323.70

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Solution

The fourth proportional to 9,515.46, 13,130.96 and 5,323.70 is: 7,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.46 : 13,130.96 = 5,323.70 : x
  2. Step 2: Convert to fraction form
    9,515.46/13,130.96 = 5,323.70/x
  3. Step 3: Cross multiply
    9,515.46x = 13,130.96 × 5,323.70
  4. Step 4: Simplify right side
    9,515.46x = 69,905,291.75
  5. Step 5: Solve for x
    x = 69,905,291.75/9,515.46
  6. Step 6: Final answer
    x = 7,346.50

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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.