Home / 14,286.88-21,431.76-4,925.67

Finding the Fourth Proportional to 14,286.88, 21,431.76 and 4,925.67

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Solution

The fourth proportional to 14,286.88, 21,431.76 and 4,925.67 is: 7,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.88 : 21,431.76 = 4,925.67 : x
  2. Step 2: Convert to fraction form
    14,286.88/21,431.76 = 4,925.67/x
  3. Step 3: Cross multiply
    14,286.88x = 21,431.76 × 4,925.67
  4. Step 4: Simplify right side
    14,286.88x = 105,565,777.28
  5. Step 5: Solve for x
    x = 105,565,777.28/14,286.88
  6. Step 6: Final answer
    x = 7,389.00

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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.