Home / 13,972.34-20,972.30-10,264.16

Finding the Fourth Proportional to 13,972.34, 20,972.30 and 10,264.16

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Solution

The fourth proportional to 13,972.34, 20,972.30 and 10,264.16 is: 15,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.34 : 20,972.30 = 10,264.16 : x
  2. Step 2: Convert to fraction form
    13,972.34/20,972.30 = 10,264.16/x
  3. Step 3: Cross multiply
    13,972.34x = 20,972.30 × 10,264.16
  4. Step 4: Simplify right side
    13,972.34x = 215,263,043.88
  5. Step 5: Solve for x
    x = 215,263,043.88/13,972.34
  6. Step 6: Final answer
    x = 15,406.37

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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.