Home / 43,277.09-64,915.63-13,697.91

Finding the Fourth Proportional to 43,277.09, 64,915.63 and 13,697.91

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Solution

The fourth proportional to 43,277.09, 64,915.63 and 13,697.91 is: 20,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,277.09 : 64,915.63 = 13,697.91 : x
  2. Step 2: Convert to fraction form
    43,277.09/64,915.63 = 13,697.91/x
  3. Step 3: Cross multiply
    43,277.09x = 64,915.63 × 13,697.91
  4. Step 4: Simplify right side
    43,277.09x = 889,208,423.09
  5. Step 5: Solve for x
    x = 889,208,423.09/43,277.09
  6. Step 6: Final answer
    x = 20,546.87

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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.