Home / 21,785.04-30,063.33-12,353.58

Finding the Fourth Proportional to 21,785.04, 30,063.33 and 12,353.58

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Solution

The fourth proportional to 21,785.04, 30,063.33 and 12,353.58 is: 17,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,785.04 : 30,063.33 = 12,353.58 : x
  2. Step 2: Convert to fraction form
    21,785.04/30,063.33 = 12,353.58/x
  3. Step 3: Cross multiply
    21,785.04x = 30,063.33 × 12,353.58
  4. Step 4: Simplify right side
    21,785.04x = 371,389,752.22
  5. Step 5: Solve for x
    x = 371,389,752.22/21,785.04
  6. Step 6: Final answer
    x = 17,047.93

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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.