Home / 14,223.65-19,628.63-7,936.02

Finding the Fourth Proportional to 14,223.65, 19,628.63 and 7,936.02

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Solution

The fourth proportional to 14,223.65, 19,628.63 and 7,936.02 is: 10,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.65 : 19,628.63 = 7,936.02 : x
  2. Step 2: Convert to fraction form
    14,223.65/19,628.63 = 7,936.02/x
  3. Step 3: Cross multiply
    14,223.65x = 19,628.63 × 7,936.02
  4. Step 4: Simplify right side
    14,223.65x = 155,773,160.57
  5. Step 5: Solve for x
    x = 155,773,160.57/14,223.65
  6. Step 6: Final answer
    x = 10,951.70

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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.