Home / 13,771.84-19,005.42-7,484.62

Finding the Fourth Proportional to 13,771.84, 19,005.42 and 7,484.62

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Solution

The fourth proportional to 13,771.84, 19,005.42 and 7,484.62 is: 10,328.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.84 : 19,005.42 = 7,484.62 : x
  2. Step 2: Convert to fraction form
    13,771.84/19,005.42 = 7,484.62/x
  3. Step 3: Cross multiply
    13,771.84x = 19,005.42 × 7,484.62
  4. Step 4: Simplify right side
    13,771.84x = 142,248,346.64
  5. Step 5: Solve for x
    x = 142,248,346.64/13,771.84
  6. Step 6: Final answer
    x = 10,328.93

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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.