Home / 17,605.50-26,408.40-4,457.88

Finding the Fourth Proportional to 17,605.50, 26,408.40 and 4,457.88

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Solution

The fourth proportional to 17,605.50, 26,408.40 and 4,457.88 is: 6,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,605.50 : 26,408.40 = 4,457.88 : x
  2. Step 2: Convert to fraction form
    17,605.50/26,408.40 = 4,457.88/x
  3. Step 3: Cross multiply
    17,605.50x = 26,408.40 × 4,457.88
  4. Step 4: Simplify right side
    17,605.50x = 117,725,478.19
  5. Step 5: Solve for x
    x = 117,725,478.19/17,605.50
  6. Step 6: Final answer
    x = 6,686.86

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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.