Home / 13,946.04-19,245.64-7,977.34

Finding the Fourth Proportional to 13,946.04, 19,245.64 and 7,977.34

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Solution

The fourth proportional to 13,946.04, 19,245.64 and 7,977.34 is: 11,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.04 : 19,245.64 = 7,977.34 : x
  2. Step 2: Convert to fraction form
    13,946.04/19,245.64 = 7,977.34/x
  3. Step 3: Cross multiply
    13,946.04x = 19,245.64 × 7,977.34
  4. Step 4: Simplify right side
    13,946.04x = 153,529,013.80
  5. Step 5: Solve for x
    x = 153,529,013.80/13,946.04
  6. Step 6: Final answer
    x = 11,008.79

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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.