Home / 13,069.87-18,036.58-7,101.64

Finding the Fourth Proportional to 13,069.87, 18,036.58 and 7,101.64

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Solution

The fourth proportional to 13,069.87, 18,036.58 and 7,101.64 is: 9,800.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.87 : 18,036.58 = 7,101.64 : x
  2. Step 2: Convert to fraction form
    13,069.87/18,036.58 = 7,101.64/x
  3. Step 3: Cross multiply
    13,069.87x = 18,036.58 × 7,101.64
  4. Step 4: Simplify right side
    13,069.87x = 128,089,297.99
  5. Step 5: Solve for x
    x = 128,089,297.99/13,069.87
  6. Step 6: Final answer
    x = 9,800.35

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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.