Home / 16,669.86-25,004.78-6,807.40

Finding the Fourth Proportional to 16,669.86, 25,004.78 and 6,807.40

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Solution

The fourth proportional to 16,669.86, 25,004.78 and 6,807.40 is: 10,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,669.86 : 25,004.78 = 6,807.40 : x
  2. Step 2: Convert to fraction form
    16,669.86/25,004.78 = 6,807.40/x
  3. Step 3: Cross multiply
    16,669.86x = 25,004.78 × 6,807.40
  4. Step 4: Simplify right side
    16,669.86x = 170,217,539.37
  5. Step 5: Solve for x
    x = 170,217,539.37/16,669.86
  6. Step 6: Final answer
    x = 10,211.10

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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.