Home / 13,017.42-19,533.60-12,911.76

Finding the Fourth Proportional to 13,017.42, 19,533.60 and 12,911.76

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Solution

The fourth proportional to 13,017.42, 19,533.60 and 12,911.76 is: 19,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.42 : 19,533.60 = 12,911.76 : x
  2. Step 2: Convert to fraction form
    13,017.42/19,533.60 = 12,911.76/x
  3. Step 3: Cross multiply
    13,017.42x = 19,533.60 × 12,911.76
  4. Step 4: Simplify right side
    13,017.42x = 252,213,155.14
  5. Step 5: Solve for x
    x = 252,213,155.14/13,017.42
  6. Step 6: Final answer
    x = 19,375.05

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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.