Home / 9,518.12-13,135.18-5,326.36

Finding the Fourth Proportional to 9,518.12, 13,135.18 and 5,326.36

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Solution

The fourth proportional to 9,518.12, 13,135.18 and 5,326.36 is: 7,350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.12 : 13,135.18 = 5,326.36 : x
  2. Step 2: Convert to fraction form
    9,518.12/13,135.18 = 5,326.36/x
  3. Step 3: Cross multiply
    9,518.12x = 13,135.18 × 5,326.36
  4. Step 4: Simplify right side
    9,518.12x = 69,962,697.34
  5. Step 5: Solve for x
    x = 69,962,697.34/9,518.12
  6. Step 6: Final answer
    x = 7,350.47

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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.