Home / 10,686.08-16,014.52-6,783.48

Finding the Fourth Proportional to 10,686.08, 16,014.52 and 6,783.48

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Solution

The fourth proportional to 10,686.08, 16,014.52 and 6,783.48 is: 10,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.08 : 16,014.52 = 6,783.48 : x
  2. Step 2: Convert to fraction form
    10,686.08/16,014.52 = 6,783.48/x
  3. Step 3: Cross multiply
    10,686.08x = 16,014.52 × 6,783.48
  4. Step 4: Simplify right side
    10,686.08x = 108,634,176.13
  5. Step 5: Solve for x
    x = 108,634,176.13/10,686.08
  6. Step 6: Final answer
    x = 10,165.95

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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.