Home / 14,918.79-22,370.88-8,680.98

Finding the Fourth Proportional to 14,918.79, 22,370.88 and 8,680.98

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Solution

The fourth proportional to 14,918.79, 22,370.88 and 8,680.98 is: 13,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.79 : 22,370.88 = 8,680.98 : x
  2. Step 2: Convert to fraction form
    14,918.79/22,370.88 = 8,680.98/x
  3. Step 3: Cross multiply
    14,918.79x = 22,370.88 × 8,680.98
  4. Step 4: Simplify right side
    14,918.79x = 194,201,161.86
  5. Step 5: Solve for x
    x = 194,201,161.86/14,918.79
  6. Step 6: Final answer
    x = 13,017.22

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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.