Home / 13,741.05-18,962.08-7,772.83

Finding the Fourth Proportional to 13,741.05, 18,962.08 and 7,772.83

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Solution

The fourth proportional to 13,741.05, 18,962.08 and 7,772.83 is: 10,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.05 : 18,962.08 = 7,772.83 : x
  2. Step 2: Convert to fraction form
    13,741.05/18,962.08 = 7,772.83/x
  3. Step 3: Cross multiply
    13,741.05x = 18,962.08 × 7,772.83
  4. Step 4: Simplify right side
    13,741.05x = 147,388,957.45
  5. Step 5: Solve for x
    x = 147,388,957.45/13,741.05
  6. Step 6: Final answer
    x = 10,726.18

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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.