Home / 14,148.74-19,521.68-9,429.86

Finding the Fourth Proportional to 14,148.74, 19,521.68 and 9,429.86

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Solution

The fourth proportional to 14,148.74, 19,521.68 and 9,429.86 is: 13,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.74 : 19,521.68 = 9,429.86 : x
  2. Step 2: Convert to fraction form
    14,148.74/19,521.68 = 9,429.86/x
  3. Step 3: Cross multiply
    14,148.74x = 19,521.68 × 9,429.86
  4. Step 4: Simplify right side
    14,148.74x = 184,086,709.36
  5. Step 5: Solve for x
    x = 184,086,709.36/14,148.74
  6. Step 6: Final answer
    x = 13,010.82

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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.