Home / 10,782.28-14,879.40-6,066.58

Finding the Fourth Proportional to 10,782.28, 14,879.40 and 6,066.58

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Solution

The fourth proportional to 10,782.28, 14,879.40 and 6,066.58 is: 8,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.28 : 14,879.40 = 6,066.58 : x
  2. Step 2: Convert to fraction form
    10,782.28/14,879.40 = 6,066.58/x
  3. Step 3: Cross multiply
    10,782.28x = 14,879.40 × 6,066.58
  4. Step 4: Simplify right side
    10,782.28x = 90,267,070.45
  5. Step 5: Solve for x
    x = 90,267,070.45/10,782.28
  6. Step 6: Final answer
    x = 8,371.80

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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.