Home / 9,495.20-13,102.80-5,303.36

Finding the Fourth Proportional to 9,495.20, 13,102.80 and 5,303.36

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Solution

The fourth proportional to 9,495.20, 13,102.80 and 5,303.36 is: 7,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,495.20 : 13,102.80 = 5,303.36 : x
  2. Step 2: Convert to fraction form
    9,495.20/13,102.80 = 5,303.36/x
  3. Step 3: Cross multiply
    9,495.20x = 13,102.80 × 5,303.36
  4. Step 4: Simplify right side
    9,495.20x = 69,488,865.41
  5. Step 5: Solve for x
    x = 69,488,865.41/9,495.20
  6. Step 6: Final answer
    x = 7,318.32

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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.