Home / 17,070.40-25,603.68-6,679.36

Finding the Fourth Proportional to 17,070.40, 25,603.68 and 6,679.36

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Solution

The fourth proportional to 17,070.40, 25,603.68 and 6,679.36 is: 10,018.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,070.40 : 25,603.68 = 6,679.36 : x
  2. Step 2: Convert to fraction form
    17,070.40/25,603.68 = 6,679.36/x
  3. Step 3: Cross multiply
    17,070.40x = 25,603.68 × 6,679.36
  4. Step 4: Simplify right side
    17,070.40x = 171,016,196.04
  5. Step 5: Solve for x
    x = 171,016,196.04/17,070.40
  6. Step 6: Final answer
    x = 10,018.29

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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.