Home / 10,381.61-14,326.56-5,905.35

Finding the Fourth Proportional to 10,381.61, 14,326.56 and 5,905.35

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Solution

The fourth proportional to 10,381.61, 14,326.56 and 5,905.35 is: 8,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.61 : 14,326.56 = 5,905.35 : x
  2. Step 2: Convert to fraction form
    10,381.61/14,326.56 = 5,905.35/x
  3. Step 3: Cross multiply
    10,381.61x = 14,326.56 × 5,905.35
  4. Step 4: Simplify right side
    10,381.61x = 84,603,351.10
  5. Step 5: Solve for x
    x = 84,603,351.10/10,381.61
  6. Step 6: Final answer
    x = 8,149.35

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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.