Home / 21,762.36-30,032.64-12,332.34

Finding the Fourth Proportional to 21,762.36, 30,032.64 and 12,332.34

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Solution

The fourth proportional to 21,762.36, 30,032.64 and 12,332.34 is: 17,018.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762.36 : 30,032.64 = 12,332.34 : x
  2. Step 2: Convert to fraction form
    21,762.36/30,032.64 = 12,332.34/x
  3. Step 3: Cross multiply
    21,762.36x = 30,032.64 × 12,332.34
  4. Step 4: Simplify right side
    21,762.36x = 370,372,727.58
  5. Step 5: Solve for x
    x = 370,372,727.58/21,762.36
  6. Step 6: Final answer
    x = 17,018.96

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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.