Home / 19,649.03-29,415.62-12,973.28

Finding the Fourth Proportional to 19,649.03, 29,415.62 and 12,973.28

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Solution

The fourth proportional to 19,649.03, 29,415.62 and 12,973.28 is: 19,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.03 : 29,415.62 = 12,973.28 : x
  2. Step 2: Convert to fraction form
    19,649.03/29,415.62 = 12,973.28/x
  3. Step 3: Cross multiply
    19,649.03x = 29,415.62 × 12,973.28
  4. Step 4: Simplify right side
    19,649.03x = 381,616,959.99
  5. Step 5: Solve for x
    x = 381,616,959.99/19,649.03
  6. Step 6: Final answer
    x = 19,421.67

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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.