Home / 14,665.28-21,999.36-6,347.84

Finding the Fourth Proportional to 14,665.28, 21,999.36 and 6,347.84

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Solution

The fourth proportional to 14,665.28, 21,999.36 and 6,347.84 is: 9,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.28 : 21,999.36 = 6,347.84 : x
  2. Step 2: Convert to fraction form
    14,665.28/21,999.36 = 6,347.84/x
  3. Step 3: Cross multiply
    14,665.28x = 21,999.36 × 6,347.84
  4. Step 4: Simplify right side
    14,665.28x = 139,648,417.38
  5. Step 5: Solve for x
    x = 139,648,417.38/14,665.28
  6. Step 6: Final answer
    x = 9,522.38

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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.