Home / 17,147.40-25,722.95-5,457.89

Finding the Fourth Proportional to 17,147.40, 25,722.95 and 5,457.89

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Solution

The fourth proportional to 17,147.40, 25,722.95 and 5,457.89 is: 8,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.40 : 25,722.95 = 5,457.89 : x
  2. Step 2: Convert to fraction form
    17,147.40/25,722.95 = 5,457.89/x
  3. Step 3: Cross multiply
    17,147.40x = 25,722.95 × 5,457.89
  4. Step 4: Simplify right side
    17,147.40x = 140,392,875.67
  5. Step 5: Solve for x
    x = 140,392,875.67/17,147.40
  6. Step 6: Final answer
    x = 8,187.41

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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.