Home / 13,705.42-20,541.58-6,674.90

Finding the Fourth Proportional to 13,705.42, 20,541.58 and 6,674.90

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Solution

The fourth proportional to 13,705.42, 20,541.58 and 6,674.90 is: 10,004.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.42 : 20,541.58 = 6,674.90 : x
  2. Step 2: Convert to fraction form
    13,705.42/20,541.58 = 6,674.90/x
  3. Step 3: Cross multiply
    13,705.42x = 20,541.58 × 6,674.90
  4. Step 4: Simplify right side
    13,705.42x = 137,113,026.77
  5. Step 5: Solve for x
    x = 137,113,026.77/13,705.42
  6. Step 6: Final answer
    x = 10,004.29

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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.