Home / 10,053.54-13,873.73-5,577.21

Finding the Fourth Proportional to 10,053.54, 13,873.73 and 5,577.21

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Solution

The fourth proportional to 10,053.54, 13,873.73 and 5,577.21 is: 7,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,053.54 : 13,873.73 = 5,577.21 : x
  2. Step 2: Convert to fraction form
    10,053.54/13,873.73 = 5,577.21/x
  3. Step 3: Cross multiply
    10,053.54x = 13,873.73 × 5,577.21
  4. Step 4: Simplify right side
    10,053.54x = 77,376,677.81
  5. Step 5: Solve for x
    x = 77,376,677.81/10,053.54
  6. Step 6: Final answer
    x = 7,696.46

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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.