Home / 10,211.02-14,080.83-9,615.73

Finding the Fourth Proportional to 10,211.02, 14,080.83 and 9,615.73

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Solution

The fourth proportional to 10,211.02, 14,080.83 and 9,615.73 is: 13,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.02 : 14,080.83 = 9,615.73 : x
  2. Step 2: Convert to fraction form
    10,211.02/14,080.83 = 9,615.73/x
  3. Step 3: Cross multiply
    10,211.02x = 14,080.83 × 9,615.73
  4. Step 4: Simplify right side
    10,211.02x = 135,397,459.46
  5. Step 5: Solve for x
    x = 135,397,459.46/10,211.02
  6. Step 6: Final answer
    x = 13,259.93

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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.