Home / 15,741.40-21,699.60-10,426.96

Finding the Fourth Proportional to 15,741.40, 21,699.60 and 10,426.96

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Solution

The fourth proportional to 15,741.40, 21,699.60 and 10,426.96 is: 14,373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.40 : 21,699.60 = 10,426.96 : x
  2. Step 2: Convert to fraction form
    15,741.40/21,699.60 = 10,426.96/x
  3. Step 3: Cross multiply
    15,741.40x = 21,699.60 × 10,426.96
  4. Step 4: Simplify right side
    15,741.40x = 226,260,861.22
  5. Step 5: Solve for x
    x = 226,260,861.22/15,741.40
  6. Step 6: Final answer
    x = 14,373.62

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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.