Home / 10,878.03-16,307.62-6,486.26

Finding the Fourth Proportional to 10,878.03, 16,307.62 and 6,486.26

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Solution

The fourth proportional to 10,878.03, 16,307.62 and 6,486.26 is: 9,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.03 : 16,307.62 = 6,486.26 : x
  2. Step 2: Convert to fraction form
    10,878.03/16,307.62 = 6,486.26/x
  3. Step 3: Cross multiply
    10,878.03x = 16,307.62 × 6,486.26
  4. Step 4: Simplify right side
    10,878.03x = 105,775,430.87
  5. Step 5: Solve for x
    x = 105,775,430.87/10,878.03
  6. Step 6: Final answer
    x = 9,723.77

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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.