Home / 14,209.27-19,607.87-7,835.88

Finding the Fourth Proportional to 14,209.27, 19,607.87 and 7,835.88

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Solution

The fourth proportional to 14,209.27, 19,607.87 and 7,835.88 is: 10,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.27 : 19,607.87 = 7,835.88 : x
  2. Step 2: Convert to fraction form
    14,209.27/19,607.87 = 7,835.88/x
  3. Step 3: Cross multiply
    14,209.27x = 19,607.87 × 7,835.88
  4. Step 4: Simplify right side
    14,209.27x = 153,644,935.97
  5. Step 5: Solve for x
    x = 153,644,935.97/14,209.27
  6. Step 6: Final answer
    x = 10,813.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.