Home / 18,276.27-25,197.80-14,989.92

Finding the Fourth Proportional to 18,276.27, 25,197.80 and 14,989.92

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Solution

The fourth proportional to 18,276.27, 25,197.80 and 14,989.92 is: 20,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.27 : 25,197.80 = 14,989.92 : x
  2. Step 2: Convert to fraction form
    18,276.27/25,197.80 = 14,989.92/x
  3. Step 3: Cross multiply
    18,276.27x = 25,197.80 × 14,989.92
  4. Step 4: Simplify right side
    18,276.27x = 377,712,931.23
  5. Step 5: Solve for x
    x = 377,712,931.23/18,276.27
  6. Step 6: Final answer
    x = 20,666.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.