Home / 13,000.90-19,501.35-4,682.20

Finding the Fourth Proportional to 13,000.90, 19,501.35 and 4,682.20

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Solution

The fourth proportional to 13,000.90, 19,501.35 and 4,682.20 is: 7,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.90 : 19,501.35 = 4,682.20 : x
  2. Step 2: Convert to fraction form
    13,000.90/19,501.35 = 4,682.20/x
  3. Step 3: Cross multiply
    13,000.90x = 19,501.35 × 4,682.20
  4. Step 4: Simplify right side
    13,000.90x = 91,309,220.97
  5. Step 5: Solve for x
    x = 91,309,220.97/13,000.90
  6. Step 6: Final answer
    x = 7,023.30

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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.