Home / 15,640.56-23,426.64-9,768.42

Finding the Fourth Proportional to 15,640.56, 23,426.64 and 9,768.42

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Solution

The fourth proportional to 15,640.56, 23,426.64 and 9,768.42 is: 14,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.56 : 23,426.64 = 9,768.42 : x
  2. Step 2: Convert to fraction form
    15,640.56/23,426.64 = 9,768.42/x
  3. Step 3: Cross multiply
    15,640.56x = 23,426.64 × 9,768.42
  4. Step 4: Simplify right side
    15,640.56x = 228,841,258.71
  5. Step 5: Solve for x
    x = 228,841,258.71/15,640.56
  6. Step 6: Final answer
    x = 14,631.27

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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.