Home / 10,820.10-16,226.10-7,523.40

Finding the Fourth Proportional to 10,820.10, 16,226.10 and 7,523.40

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Solution

The fourth proportional to 10,820.10, 16,226.10 and 7,523.40 is: 11,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.10 : 16,226.10 = 7,523.40 : x
  2. Step 2: Convert to fraction form
    10,820.10/16,226.10 = 7,523.40/x
  3. Step 3: Cross multiply
    10,820.10x = 16,226.10 × 7,523.40
  4. Step 4: Simplify right side
    10,820.10x = 122,075,440.74
  5. Step 5: Solve for x
    x = 122,075,440.74/10,820.10
  6. Step 6: Final answer
    x = 11,282.28

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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.