Home / 12,693.96-17,501.40-9,856.53

Finding the Fourth Proportional to 12,693.96, 17,501.40 and 9,856.53

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Solution

The fourth proportional to 12,693.96, 17,501.40 and 9,856.53 is: 13,589.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693.96 : 17,501.40 = 9,856.53 : x
  2. Step 2: Convert to fraction form
    12,693.96/17,501.40 = 9,856.53/x
  3. Step 3: Cross multiply
    12,693.96x = 17,501.40 × 9,856.53
  4. Step 4: Simplify right side
    12,693.96x = 172,503,074.14
  5. Step 5: Solve for x
    x = 172,503,074.14/12,693.96
  6. Step 6: Final answer
    x = 13,589.38

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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.