Home / 10,820.12-14,941.87-7,962.44

Finding the Fourth Proportional to 10,820.12, 14,941.87 and 7,962.44

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Solution

The fourth proportional to 10,820.12, 14,941.87 and 7,962.44 is: 10,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.12 : 14,941.87 = 7,962.44 : x
  2. Step 2: Convert to fraction form
    10,820.12/14,941.87 = 7,962.44/x
  3. Step 3: Cross multiply
    10,820.12x = 14,941.87 × 7,962.44
  4. Step 4: Simplify right side
    10,820.12x = 118,973,648.75
  5. Step 5: Solve for x
    x = 118,973,648.75/10,820.12
  6. Step 6: Final answer
    x = 10,995.60

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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.