Home / 17,457.07-26,129.40-9,125.20

Finding the Fourth Proportional to 17,457.07, 26,129.40 and 9,125.20

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Solution

The fourth proportional to 17,457.07, 26,129.40 and 9,125.20 is: 13,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,457.07 : 26,129.40 = 9,125.20 : x
  2. Step 2: Convert to fraction form
    17,457.07/26,129.40 = 9,125.20/x
  3. Step 3: Cross multiply
    17,457.07x = 26,129.40 × 9,125.20
  4. Step 4: Simplify right side
    17,457.07x = 238,436,000.88
  5. Step 5: Solve for x
    x = 238,436,000.88/17,457.07
  6. Step 6: Final answer
    x = 13,658.42

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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.