Home / 10,672.05-14,722.18-6,898.44

Finding the Fourth Proportional to 10,672.05, 14,722.18 and 6,898.44

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Solution

The fourth proportional to 10,672.05, 14,722.18 and 6,898.44 is: 9,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.05 : 14,722.18 = 6,898.44 : x
  2. Step 2: Convert to fraction form
    10,672.05/14,722.18 = 6,898.44/x
  3. Step 3: Cross multiply
    10,672.05x = 14,722.18 × 6,898.44
  4. Step 4: Simplify right side
    10,672.05x = 101,560,075.40
  5. Step 5: Solve for x
    x = 101,560,075.40/10,672.05
  6. Step 6: Final answer
    x = 9,516.45

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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.