Home / 17,039.20-23,515.56-9,485.40

Finding the Fourth Proportional to 17,039.20, 23,515.56 and 9,485.40

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Solution

The fourth proportional to 17,039.20, 23,515.56 and 9,485.40 is: 13,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,039.20 : 23,515.56 = 9,485.40 : x
  2. Step 2: Convert to fraction form
    17,039.20/23,515.56 = 9,485.40/x
  3. Step 3: Cross multiply
    17,039.20x = 23,515.56 × 9,485.40
  4. Step 4: Simplify right side
    17,039.20x = 223,054,492.82
  5. Step 5: Solve for x
    x = 223,054,492.82/17,039.20
  6. Step 6: Final answer
    x = 13,090.67

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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.