Home / 19,013.36-26,203.64-12,628.67

Finding the Fourth Proportional to 19,013.36, 26,203.64 and 12,628.67

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Solution

The fourth proportional to 19,013.36, 26,203.64 and 12,628.67 is: 17,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.36 : 26,203.64 = 12,628.67 : x
  2. Step 2: Convert to fraction form
    19,013.36/26,203.64 = 12,628.67/x
  3. Step 3: Cross multiply
    19,013.36x = 26,203.64 × 12,628.67
  4. Step 4: Simplify right side
    19,013.36x = 330,916,928.20
  5. Step 5: Solve for x
    x = 330,916,928.20/19,013.36
  6. Step 6: Final answer
    x = 17,404.45

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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.