Home / 15,030.90-20,762.46-11,537.28

Finding the Fourth Proportional to 15,030.90, 20,762.46 and 11,537.28

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Solution

The fourth proportional to 15,030.90, 20,762.46 and 11,537.28 is: 15,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,030.90 : 20,762.46 = 11,537.28 : x
  2. Step 2: Convert to fraction form
    15,030.90/20,762.46 = 11,537.28/x
  3. Step 3: Cross multiply
    15,030.90x = 20,762.46 × 11,537.28
  4. Step 4: Simplify right side
    15,030.90x = 239,542,314.51
  5. Step 5: Solve for x
    x = 239,542,314.51/15,030.90
  6. Step 6: Final answer
    x = 15,936.66

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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.