Home / 15,783.72-23,675.44-3,937.40

Finding the Fourth Proportional to 15,783.72, 23,675.44 and 3,937.40

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Solution

The fourth proportional to 15,783.72, 23,675.44 and 3,937.40 is: 5,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.72 : 23,675.44 = 3,937.40 : x
  2. Step 2: Convert to fraction form
    15,783.72/23,675.44 = 3,937.40/x
  3. Step 3: Cross multiply
    15,783.72x = 23,675.44 × 3,937.40
  4. Step 4: Simplify right side
    15,783.72x = 93,219,677.46
  5. Step 5: Solve for x
    x = 93,219,677.46/15,783.72
  6. Step 6: Final answer
    x = 5,906.07

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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.