Home / 10,128.63-15,192.29-3,802.26

Finding the Fourth Proportional to 10,128.63, 15,192.29 and 3,802.26

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Solution

The fourth proportional to 10,128.63, 15,192.29 and 3,802.26 is: 5,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128.63 : 15,192.29 = 3,802.26 : x
  2. Step 2: Convert to fraction form
    10,128.63/15,192.29 = 3,802.26/x
  3. Step 3: Cross multiply
    10,128.63x = 15,192.29 × 3,802.26
  4. Step 4: Simplify right side
    10,128.63x = 57,765,036.58
  5. Step 5: Solve for x
    x = 57,765,036.58/10,128.63
  6. Step 6: Final answer
    x = 5,703.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.