Home / 17,503.36-26,248.68-6,406.80

Finding the Fourth Proportional to 17,503.36, 26,248.68 and 6,406.80

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Solution

The fourth proportional to 17,503.36, 26,248.68 and 6,406.80 is: 9,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,503.36 : 26,248.68 = 6,406.80 : x
  2. Step 2: Convert to fraction form
    17,503.36/26,248.68 = 6,406.80/x
  3. Step 3: Cross multiply
    17,503.36x = 26,248.68 × 6,406.80
  4. Step 4: Simplify right side
    17,503.36x = 168,170,043.02
  5. Step 5: Solve for x
    x = 168,170,043.02/17,503.36
  6. Step 6: Final answer
    x = 9,607.87

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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.