Home / 17,489.40-26,298.90-14,638.20

Finding the Fourth Proportional to 17,489.40, 26,298.90 and 14,638.20

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Solution

The fourth proportional to 17,489.40, 26,298.90 and 14,638.20 is: 22,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,489.40 : 26,298.90 = 14,638.20 : x
  2. Step 2: Convert to fraction form
    17,489.40/26,298.90 = 14,638.20/x
  3. Step 3: Cross multiply
    17,489.40x = 26,298.90 × 14,638.20
  4. Step 4: Simplify right side
    17,489.40x = 384,968,557.98
  5. Step 5: Solve for x
    x = 384,968,557.98/17,489.40
  6. Step 6: Final answer
    x = 22,011.54

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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.