Home / 15,905.52-23,854.63-7,142.94

Finding the Fourth Proportional to 15,905.52, 23,854.63 and 7,142.94

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Solution

The fourth proportional to 15,905.52, 23,854.63 and 7,142.94 is: 10,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.52 : 23,854.63 = 7,142.94 : x
  2. Step 2: Convert to fraction form
    15,905.52/23,854.63 = 7,142.94/x
  3. Step 3: Cross multiply
    15,905.52x = 23,854.63 × 7,142.94
  4. Step 4: Simplify right side
    15,905.52x = 170,392,190.81
  5. Step 5: Solve for x
    x = 170,392,190.81/15,905.52
  6. Step 6: Final answer
    x = 10,712.77

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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.