Home / 14,193.13-21,267.79-8,988.07

Finding the Fourth Proportional to 14,193.13, 21,267.79 and 8,988.07

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Solution

The fourth proportional to 14,193.13, 21,267.79 and 8,988.07 is: 13,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.13 : 21,267.79 = 8,988.07 : x
  2. Step 2: Convert to fraction form
    14,193.13/21,267.79 = 8,988.07/x
  3. Step 3: Cross multiply
    14,193.13x = 21,267.79 × 8,988.07
  4. Step 4: Simplify right side
    14,193.13x = 191,156,385.27
  5. Step 5: Solve for x
    x = 191,156,385.27/14,193.13
  6. Step 6: Final answer
    x = 13,468.23

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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.