Home / 10,271.80-14,150.52-9,771.54

Finding the Fourth Proportional to 10,271.80, 14,150.52 and 9,771.54

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Solution

The fourth proportional to 10,271.80, 14,150.52 and 9,771.54 is: 13,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.80 : 14,150.52 = 9,771.54 : x
  2. Step 2: Convert to fraction form
    10,271.80/14,150.52 = 9,771.54/x
  3. Step 3: Cross multiply
    10,271.80x = 14,150.52 × 9,771.54
  4. Step 4: Simplify right side
    10,271.80x = 138,272,372.20
  5. Step 5: Solve for x
    x = 138,272,372.20/10,271.80
  6. Step 6: Final answer
    x = 13,461.36

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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.