Home / 14,055.40-21,102.30-7,134.76

Finding the Fourth Proportional to 14,055.40, 21,102.30 and 7,134.76

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Solution

The fourth proportional to 14,055.40, 21,102.30 and 7,134.76 is: 10,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.40 : 21,102.30 = 7,134.76 : x
  2. Step 2: Convert to fraction form
    14,055.40/21,102.30 = 7,134.76/x
  3. Step 3: Cross multiply
    14,055.40x = 21,102.30 × 7,134.76
  4. Step 4: Simplify right side
    14,055.40x = 150,559,845.95
  5. Step 5: Solve for x
    x = 150,559,845.95/14,055.40
  6. Step 6: Final answer
    x = 10,711.89

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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.