Home / 21,966.07-30,313.70-12,535.51

Finding the Fourth Proportional to 21,966.07, 30,313.70 and 12,535.51

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Solution

The fourth proportional to 21,966.07, 30,313.70 and 12,535.51 is: 17,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.07 : 30,313.70 = 12,535.51 : x
  2. Step 2: Convert to fraction form
    21,966.07/30,313.70 = 12,535.51/x
  3. Step 3: Cross multiply
    21,966.07x = 30,313.70 × 12,535.51
  4. Step 4: Simplify right side
    21,966.07x = 379,997,689.49
  5. Step 5: Solve for x
    x = 379,997,689.49/21,966.07
  6. Step 6: Final answer
    x = 17,299.30

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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.