Home / 14,207.43-21,283.86-7,948.48

Finding the Fourth Proportional to 14,207.43, 21,283.86 and 7,948.48

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Solution

The fourth proportional to 14,207.43, 21,283.86 and 7,948.48 is: 11,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.43 : 21,283.86 = 7,948.48 : x
  2. Step 2: Convert to fraction form
    14,207.43/21,283.86 = 7,948.48/x
  3. Step 3: Cross multiply
    14,207.43x = 21,283.86 × 7,948.48
  4. Step 4: Simplify right side
    14,207.43x = 169,174,282.32
  5. Step 5: Solve for x
    x = 169,174,282.32/14,207.43
  6. Step 6: Final answer
    x = 11,907.45

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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.