Home / 14,343.40-21,484.86-6,558.76

Finding the Fourth Proportional to 14,343.40, 21,484.86 and 6,558.76

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Solution

The fourth proportional to 14,343.40, 21,484.86 and 6,558.76 is: 9,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.40 : 21,484.86 = 6,558.76 : x
  2. Step 2: Convert to fraction form
    14,343.40/21,484.86 = 6,558.76/x
  3. Step 3: Cross multiply
    14,343.40x = 21,484.86 × 6,558.76
  4. Step 4: Simplify right side
    14,343.40x = 140,914,040.37
  5. Step 5: Solve for x
    x = 140,914,040.37/14,343.40
  6. Step 6: Final answer
    x = 9,824.31

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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.