Home / 21,758.36-30,026.54-12,326.92

Finding the Fourth Proportional to 21,758.36, 30,026.54 and 12,326.92

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Solution

The fourth proportional to 21,758.36, 30,026.54 and 12,326.92 is: 17,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,758.36 : 30,026.54 = 12,326.92 : x
  2. Step 2: Convert to fraction form
    21,758.36/30,026.54 = 12,326.92/x
  3. Step 3: Cross multiply
    21,758.36x = 30,026.54 × 12,326.92
  4. Step 4: Simplify right side
    21,758.36x = 370,134,756.46
  5. Step 5: Solve for x
    x = 370,134,756.46/21,758.36
  6. Step 6: Final answer
    x = 17,011.15

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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.