Home / 13,218.86-19,827.06-4,898.96

Finding the Fourth Proportional to 13,218.86, 19,827.06 and 4,898.96

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Solution

The fourth proportional to 13,218.86, 19,827.06 and 4,898.96 is: 7,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.86 : 19,827.06 = 4,898.96 : x
  2. Step 2: Convert to fraction form
    13,218.86/19,827.06 = 4,898.96/x
  3. Step 3: Cross multiply
    13,218.86x = 19,827.06 × 4,898.96
  4. Step 4: Simplify right side
    13,218.86x = 97,131,973.86
  5. Step 5: Solve for x
    x = 97,131,973.86/13,218.86
  6. Step 6: Final answer
    x = 7,347.98

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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.