Home / 10,001.81-13,802.48-5,525.55

Finding the Fourth Proportional to 10,001.81, 13,802.48 and 5,525.55

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Solution

The fourth proportional to 10,001.81, 13,802.48 and 5,525.55 is: 7,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.81 : 13,802.48 = 5,525.55 : x
  2. Step 2: Convert to fraction form
    10,001.81/13,802.48 = 5,525.55/x
  3. Step 3: Cross multiply
    10,001.81x = 13,802.48 × 5,525.55
  4. Step 4: Simplify right side
    10,001.81x = 76,266,293.36
  5. Step 5: Solve for x
    x = 76,266,293.36/10,001.81
  6. Step 6: Final answer
    x = 7,625.25

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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.