Home / 18,804.42-28,207.62-9,925.20

Finding the Fourth Proportional to 18,804.42, 28,207.62 and 9,925.20

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Solution

The fourth proportional to 18,804.42, 28,207.62 and 9,925.20 is: 14,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.42 : 28,207.62 = 9,925.20 : x
  2. Step 2: Convert to fraction form
    18,804.42/28,207.62 = 9,925.20/x
  3. Step 3: Cross multiply
    18,804.42x = 28,207.62 × 9,925.20
  4. Step 4: Simplify right side
    18,804.42x = 279,966,270.02
  5. Step 5: Solve for x
    x = 279,966,270.02/18,804.42
  6. Step 6: Final answer
    x = 14,888.32

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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.