Home / 13,848.12-20,722.95-10,141.15

Finding the Fourth Proportional to 13,848.12, 20,722.95 and 10,141.15

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Solution

The fourth proportional to 13,848.12, 20,722.95 and 10,141.15 is: 15,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.12 : 20,722.95 = 10,141.15 : x
  2. Step 2: Convert to fraction form
    13,848.12/20,722.95 = 10,141.15/x
  3. Step 3: Cross multiply
    13,848.12x = 20,722.95 × 10,141.15
  4. Step 4: Simplify right side
    13,848.12x = 210,154,544.39
  5. Step 5: Solve for x
    x = 210,154,544.39/13,848.12
  6. Step 6: Final answer
    x = 15,175.67

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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.