Home / 15,827.40-23,741.90-4,140.68

Finding the Fourth Proportional to 15,827.40, 23,741.90 and 4,140.68

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Solution

The fourth proportional to 15,827.40, 23,741.90 and 4,140.68 is: 6,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.40 : 23,741.90 = 4,140.68 : x
  2. Step 2: Convert to fraction form
    15,827.40/23,741.90 = 4,140.68/x
  3. Step 3: Cross multiply
    15,827.40x = 23,741.90 × 4,140.68
  4. Step 4: Simplify right side
    15,827.40x = 98,307,610.49
  5. Step 5: Solve for x
    x = 98,307,610.49/15,827.40
  6. Step 6: Final answer
    x = 6,211.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.