Home / 10,083.43-13,875.26-9,140.30

Finding the Fourth Proportional to 10,083.43, 13,875.26 and 9,140.30

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Solution

The fourth proportional to 10,083.43, 13,875.26 and 9,140.30 is: 12,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.43 : 13,875.26 = 9,140.30 : x
  2. Step 2: Convert to fraction form
    10,083.43/13,875.26 = 9,140.30/x
  3. Step 3: Cross multiply
    10,083.43x = 13,875.26 × 9,140.30
  4. Step 4: Simplify right side
    10,083.43x = 126,824,038.98
  5. Step 5: Solve for x
    x = 126,824,038.98/10,083.43
  6. Step 6: Final answer
    x = 12,577.47

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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.