Home / 13,982.29-20,973.28-5,660.05

Finding the Fourth Proportional to 13,982.29, 20,973.28 and 5,660.05

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Solution

The fourth proportional to 13,982.29, 20,973.28 and 5,660.05 is: 8,490.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.29 : 20,973.28 = 5,660.05 : x
  2. Step 2: Convert to fraction form
    13,982.29/20,973.28 = 5,660.05/x
  3. Step 3: Cross multiply
    13,982.29x = 20,973.28 × 5,660.05
  4. Step 4: Simplify right side
    13,982.29x = 118,709,813.46
  5. Step 5: Solve for x
    x = 118,709,813.46/13,982.29
  6. Step 6: Final answer
    x = 8,490.01

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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.