Home / 18,405.13-27,607.08-5,925.86

Finding the Fourth Proportional to 18,405.13, 27,607.08 and 5,925.86

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Solution

The fourth proportional to 18,405.13, 27,607.08 and 5,925.86 is: 8,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,405.13 : 27,607.08 = 5,925.86 : x
  2. Step 2: Convert to fraction form
    18,405.13/27,607.08 = 5,925.86/x
  3. Step 3: Cross multiply
    18,405.13x = 27,607.08 × 5,925.86
  4. Step 4: Simplify right side
    18,405.13x = 163,595,691.09
  5. Step 5: Solve for x
    x = 163,595,691.09/18,405.13
  6. Step 6: Final answer
    x = 8,888.59

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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.