Home / 14,648.51-21,975.60-4,785.14

Finding the Fourth Proportional to 14,648.51, 21,975.60 and 4,785.14

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Solution

The fourth proportional to 14,648.51, 21,975.60 and 4,785.14 is: 7,178.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.51 : 21,975.60 = 4,785.14 : x
  2. Step 2: Convert to fraction form
    14,648.51/21,975.60 = 4,785.14/x
  3. Step 3: Cross multiply
    14,648.51x = 21,975.60 × 4,785.14
  4. Step 4: Simplify right side
    14,648.51x = 105,156,322.58
  5. Step 5: Solve for x
    x = 105,156,322.58/14,648.51
  6. Step 6: Final answer
    x = 7,178.64

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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.