Home / 14,282.01-21,427.40-6,391.17

Finding the Fourth Proportional to 14,282.01, 21,427.40 and 6,391.17

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Solution

The fourth proportional to 14,282.01, 21,427.40 and 6,391.17 is: 9,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.01 : 21,427.40 = 6,391.17 : x
  2. Step 2: Convert to fraction form
    14,282.01/21,427.40 = 6,391.17/x
  3. Step 3: Cross multiply
    14,282.01x = 21,427.40 × 6,391.17
  4. Step 4: Simplify right side
    14,282.01x = 136,946,124.10
  5. Step 5: Solve for x
    x = 136,946,124.10/14,282.01
  6. Step 6: Final answer
    x = 9,588.71

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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.