Home / 13,973.46-19,281.96-7,923.98

Finding the Fourth Proportional to 13,973.46, 19,281.96 and 7,923.98

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Solution

The fourth proportional to 13,973.46, 19,281.96 and 7,923.98 is: 10,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.46 : 19,281.96 = 7,923.98 : x
  2. Step 2: Convert to fraction form
    13,973.46/19,281.96 = 7,923.98/x
  3. Step 3: Cross multiply
    13,973.46x = 19,281.96 × 7,923.98
  4. Step 4: Simplify right side
    13,973.46x = 152,789,768.99
  5. Step 5: Solve for x
    x = 152,789,768.99/13,973.46
  6. Step 6: Final answer
    x = 10,934.28

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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.