Home / 14,219.58-21,320.26-5,905.34

Finding the Fourth Proportional to 14,219.58, 21,320.26 and 5,905.34

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Solution

The fourth proportional to 14,219.58, 21,320.26 and 5,905.34 is: 8,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.58 : 21,320.26 = 5,905.34 : x
  2. Step 2: Convert to fraction form
    14,219.58/21,320.26 = 5,905.34/x
  3. Step 3: Cross multiply
    14,219.58x = 21,320.26 × 5,905.34
  4. Step 4: Simplify right side
    14,219.58x = 125,903,384.19
  5. Step 5: Solve for x
    x = 125,903,384.19/14,219.58
  6. Step 6: Final answer
    x = 8,854.23

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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.