Home / 10,782.45-14,879.76-6,066.74

Finding the Fourth Proportional to 10,782.45, 14,879.76 and 6,066.74

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Solution

The fourth proportional to 10,782.45, 14,879.76 and 6,066.74 is: 8,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.45 : 14,879.76 = 6,066.74 : x
  2. Step 2: Convert to fraction form
    10,782.45/14,879.76 = 6,066.74/x
  3. Step 3: Cross multiply
    10,782.45x = 14,879.76 × 6,066.74
  4. Step 4: Simplify right side
    10,782.45x = 90,271,560.78
  5. Step 5: Solve for x
    x = 90,271,560.78/10,782.45
  6. Step 6: Final answer
    x = 8,372.08

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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.