Home / 18,607.55-25,688.41-14,349.38

Finding the Fourth Proportional to 18,607.55, 25,688.41 and 14,349.38

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Solution

The fourth proportional to 18,607.55, 25,688.41 and 14,349.38 is: 19,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.55 : 25,688.41 = 14,349.38 : x
  2. Step 2: Convert to fraction form
    18,607.55/25,688.41 = 14,349.38/x
  3. Step 3: Cross multiply
    18,607.55x = 25,688.41 × 14,349.38
  4. Step 4: Simplify right side
    18,607.55x = 368,612,592.37
  5. Step 5: Solve for x
    x = 368,612,592.37/18,607.55
  6. Step 6: Final answer
    x = 19,809.85

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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.