Home / 10,112.51-15,168.80-3,538.67

Finding the Fourth Proportional to 10,112.51, 15,168.80 and 3,538.67

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Solution

The fourth proportional to 10,112.51, 15,168.80 and 3,538.67 is: 5,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.51 : 15,168.80 = 3,538.67 : x
  2. Step 2: Convert to fraction form
    10,112.51/15,168.80 = 3,538.67/x
  3. Step 3: Cross multiply
    10,112.51x = 15,168.80 × 3,538.67
  4. Step 4: Simplify right side
    10,112.51x = 53,677,283.96
  5. Step 5: Solve for x
    x = 53,677,283.96/10,112.51
  6. Step 6: Final answer
    x = 5,308.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.