Home / 10,715.09-16,075.20-4,471.63

Finding the Fourth Proportional to 10,715.09, 16,075.20 and 4,471.63

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Solution

The fourth proportional to 10,715.09, 16,075.20 and 4,471.63 is: 6,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.09 : 16,075.20 = 4,471.63 : x
  2. Step 2: Convert to fraction form
    10,715.09/16,075.20 = 4,471.63/x
  3. Step 3: Cross multiply
    10,715.09x = 16,075.20 × 4,471.63
  4. Step 4: Simplify right side
    10,715.09x = 71,882,266.20
  5. Step 5: Solve for x
    x = 71,882,266.20/10,715.09
  6. Step 6: Final answer
    x = 6,708.51

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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.