Home / 14,156.16-21,237.64-4,294.84

Finding the Fourth Proportional to 14,156.16, 21,237.64 and 4,294.84

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Solution

The fourth proportional to 14,156.16, 21,237.64 and 4,294.84 is: 6,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.16 : 21,237.64 = 4,294.84 : x
  2. Step 2: Convert to fraction form
    14,156.16/21,237.64 = 4,294.84/x
  3. Step 3: Cross multiply
    14,156.16x = 21,237.64 × 4,294.84
  4. Step 4: Simplify right side
    14,156.16x = 91,212,265.78
  5. Step 5: Solve for x
    x = 91,212,265.78/14,156.16
  6. Step 6: Final answer
    x = 6,443.29

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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.