Home / 10,427.31-14,391-5,890.86

Finding the Fourth Proportional to 10,427.31, 14,391 and 5,890.86

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Solution

The fourth proportional to 10,427.31, 14,391 and 5,890.86 is: 8,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.31 : 14,391 = 5,890.86 : x
  2. Step 2: Convert to fraction form
    10,427.31/14,391 = 5,890.86/x
  3. Step 3: Cross multiply
    10,427.31x = 14,391 × 5,890.86
  4. Step 4: Simplify right side
    10,427.31x = 84,775,366.26
  5. Step 5: Solve for x
    x = 84,775,366.26/10,427.31
  6. Step 6: Final answer
    x = 8,130.13

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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.