Home / 13,821.04-19,072.48-7,533.28

Finding the Fourth Proportional to 13,821.04, 19,072.48 and 7,533.28

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Solution

The fourth proportional to 13,821.04, 19,072.48 and 7,533.28 is: 10,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.04 : 19,072.48 = 7,533.28 : x
  2. Step 2: Convert to fraction form
    13,821.04/19,072.48 = 7,533.28/x
  3. Step 3: Cross multiply
    13,821.04x = 19,072.48 × 7,533.28
  4. Step 4: Simplify right side
    13,821.04x = 143,678,332.13
  5. Step 5: Solve for x
    x = 143,678,332.13/13,821.04
  6. Step 6: Final answer
    x = 10,395.62

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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.