Home / 14,215.36-21,329.70-7,294.72

Finding the Fourth Proportional to 14,215.36, 21,329.70 and 7,294.72

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Solution

The fourth proportional to 14,215.36, 21,329.70 and 7,294.72 is: 10,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.36 : 21,329.70 = 7,294.72 : x
  2. Step 2: Convert to fraction form
    14,215.36/21,329.70 = 7,294.72/x
  3. Step 3: Cross multiply
    14,215.36x = 21,329.70 × 7,294.72
  4. Step 4: Simplify right side
    14,215.36x = 155,594,189.18
  5. Step 5: Solve for x
    x = 155,594,189.18/14,215.36
  6. Step 6: Final answer
    x = 10,945.50

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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.