Home / 10,763.07-14,847.80-6,986.85

Finding the Fourth Proportional to 10,763.07, 14,847.80 and 6,986.85

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Solution

The fourth proportional to 10,763.07, 14,847.80 and 6,986.85 is: 9,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.07 : 14,847.80 = 6,986.85 : x
  2. Step 2: Convert to fraction form
    10,763.07/14,847.80 = 6,986.85/x
  3. Step 3: Cross multiply
    10,763.07x = 14,847.80 × 6,986.85
  4. Step 4: Simplify right side
    10,763.07x = 103,739,316.50
  5. Step 5: Solve for x
    x = 103,739,316.50/10,763.07
  6. Step 6: Final answer
    x = 9,638.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.