Home / 10,423.11-14,383.90-5,643.06

Finding the Fourth Proportional to 10,423.11, 14,383.90 and 5,643.06

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Solution

The fourth proportional to 10,423.11, 14,383.90 and 5,643.06 is: 7,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.11 : 14,383.90 = 5,643.06 : x
  2. Step 2: Convert to fraction form
    10,423.11/14,383.90 = 5,643.06/x
  3. Step 3: Cross multiply
    10,423.11x = 14,383.90 × 5,643.06
  4. Step 4: Simplify right side
    10,423.11x = 81,169,185.51
  5. Step 5: Solve for x
    x = 81,169,185.51/10,423.11
  6. Step 6: Final answer
    x = 7,787.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.