Home / 14,047.88-21,055.50-5,277.20

Finding the Fourth Proportional to 14,047.88, 21,055.50 and 5,277.20

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Solution

The fourth proportional to 14,047.88, 21,055.50 and 5,277.20 is: 7,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.88 : 21,055.50 = 5,277.20 : x
  2. Step 2: Convert to fraction form
    14,047.88/21,055.50 = 5,277.20/x
  3. Step 3: Cross multiply
    14,047.88x = 21,055.50 × 5,277.20
  4. Step 4: Simplify right side
    14,047.88x = 111,114,084.60
  5. Step 5: Solve for x
    x = 111,114,084.60/14,047.88
  6. Step 6: Final answer
    x = 7,909.67

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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.