Home / 14,215.03-21,322.37-6,423.84

Finding the Fourth Proportional to 14,215.03, 21,322.37 and 6,423.84

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Solution

The fourth proportional to 14,215.03, 21,322.37 and 6,423.84 is: 9,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.03 : 21,322.37 = 6,423.84 : x
  2. Step 2: Convert to fraction form
    14,215.03/21,322.37 = 6,423.84/x
  3. Step 3: Cross multiply
    14,215.03x = 21,322.37 × 6,423.84
  4. Step 4: Simplify right side
    14,215.03x = 136,971,509.36
  5. Step 5: Solve for x
    x = 136,971,509.36/14,215.03
  6. Step 6: Final answer
    x = 9,635.68

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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.