Home / 15,935.11-23,905.40-4,842.92

Finding the Fourth Proportional to 15,935.11, 23,905.40 and 4,842.92

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Solution

The fourth proportional to 15,935.11, 23,905.40 and 4,842.92 is: 7,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,935.11 : 23,905.40 = 4,842.92 : x
  2. Step 2: Convert to fraction form
    15,935.11/23,905.40 = 4,842.92/x
  3. Step 3: Cross multiply
    15,935.11x = 23,905.40 × 4,842.92
  4. Step 4: Simplify right side
    15,935.11x = 115,771,939.77
  5. Step 5: Solve for x
    x = 115,771,939.77/15,935.11
  6. Step 6: Final answer
    x = 7,265.21

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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.