Home / 15,264.80-21,065.76-8,550.92

Finding the Fourth Proportional to 15,264.80, 21,065.76 and 8,550.92

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Solution

The fourth proportional to 15,264.80, 21,065.76 and 8,550.92 is: 11,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.80 : 21,065.76 = 8,550.92 : x
  2. Step 2: Convert to fraction form
    15,264.80/21,065.76 = 8,550.92/x
  3. Step 3: Cross multiply
    15,264.80x = 21,065.76 × 8,550.92
  4. Step 4: Simplify right side
    15,264.80x = 180,131,628.50
  5. Step 5: Solve for x
    x = 180,131,628.50/15,264.80
  6. Step 6: Final answer
    x = 11,800.46

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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.