Home / 14,158.42-19,537.62-7,784.91

Finding the Fourth Proportional to 14,158.42, 19,537.62 and 7,784.91

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Solution

The fourth proportional to 14,158.42, 19,537.62 and 7,784.91 is: 10,742.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.42 : 19,537.62 = 7,784.91 : x
  2. Step 2: Convert to fraction form
    14,158.42/19,537.62 = 7,784.91/x
  3. Step 3: Cross multiply
    14,158.42x = 19,537.62 × 7,784.91
  4. Step 4: Simplify right side
    14,158.42x = 152,098,595.07
  5. Step 5: Solve for x
    x = 152,098,595.07/14,158.42
  6. Step 6: Final answer
    x = 10,742.62

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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.