Home / 14,256.81-21,379.75-9,860.94

Finding the Fourth Proportional to 14,256.81, 21,379.75 and 9,860.94

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Solution

The fourth proportional to 14,256.81, 21,379.75 and 9,860.94 is: 14,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.81 : 21,379.75 = 9,860.94 : x
  2. Step 2: Convert to fraction form
    14,256.81/21,379.75 = 9,860.94/x
  3. Step 3: Cross multiply
    14,256.81x = 21,379.75 × 9,860.94
  4. Step 4: Simplify right side
    14,256.81x = 210,824,407.31
  5. Step 5: Solve for x
    x = 210,824,407.31/14,256.81
  6. Step 6: Final answer
    x = 14,787.63

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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.