Home / 13,159.86-19,743.63-4,400.92

Finding the Fourth Proportional to 13,159.86, 19,743.63 and 4,400.92

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Solution

The fourth proportional to 13,159.86, 19,743.63 and 4,400.92 is: 6,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.86 : 19,743.63 = 4,400.92 : x
  2. Step 2: Convert to fraction form
    13,159.86/19,743.63 = 4,400.92/x
  3. Step 3: Cross multiply
    13,159.86x = 19,743.63 × 4,400.92
  4. Step 4: Simplify right side
    13,159.86x = 86,890,136.14
  5. Step 5: Solve for x
    x = 86,890,136.14/13,159.86
  6. Step 6: Final answer
    x = 6,602.66

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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.