Home / 13,821.34-19,073.91-7,533.94

Finding the Fourth Proportional to 13,821.34, 19,073.91 and 7,533.94

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Solution

The fourth proportional to 13,821.34, 19,073.91 and 7,533.94 is: 10,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.34 : 19,073.91 = 7,533.94 : x
  2. Step 2: Convert to fraction form
    13,821.34/19,073.91 = 7,533.94/x
  3. Step 3: Cross multiply
    13,821.34x = 19,073.91 × 7,533.94
  4. Step 4: Simplify right side
    13,821.34x = 143,701,693.51
  5. Step 5: Solve for x
    x = 143,701,693.51/13,821.34
  6. Step 6: Final answer
    x = 10,397.09

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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.