Home / 30,127.39-45,197.46-11,407.07

Finding the Fourth Proportional to 30,127.39, 45,197.46 and 11,407.07

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Solution

The fourth proportional to 30,127.39, 45,197.46 and 11,407.07 is: 17,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.39 : 45,197.46 = 11,407.07 : x
  2. Step 2: Convert to fraction form
    30,127.39/45,197.46 = 11,407.07/x
  3. Step 3: Cross multiply
    30,127.39x = 45,197.46 × 11,407.07
  4. Step 4: Simplify right side
    30,127.39x = 515,570,703.04
  5. Step 5: Solve for x
    x = 515,570,703.04/30,127.39
  6. Step 6: Final answer
    x = 17,113.02

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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.