Home / 14,235.63-21,366.57-7,220.57

Finding the Fourth Proportional to 14,235.63, 21,366.57 and 7,220.57

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Solution

The fourth proportional to 14,235.63, 21,366.57 and 7,220.57 is: 10,837.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.63 : 21,366.57 = 7,220.57 : x
  2. Step 2: Convert to fraction form
    14,235.63/21,366.57 = 7,220.57/x
  3. Step 3: Cross multiply
    14,235.63x = 21,366.57 × 7,220.57
  4. Step 4: Simplify right side
    14,235.63x = 154,278,707.51
  5. Step 5: Solve for x
    x = 154,278,707.51/14,235.63
  6. Step 6: Final answer
    x = 10,837.50

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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.