Home / 14,875.88-20,528.99-8,161.85

Finding the Fourth Proportional to 14,875.88, 20,528.99 and 8,161.85

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Solution

The fourth proportional to 14,875.88, 20,528.99 and 8,161.85 is: 11,263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.88 : 20,528.99 = 8,161.85 : x
  2. Step 2: Convert to fraction form
    14,875.88/20,528.99 = 8,161.85/x
  3. Step 3: Cross multiply
    14,875.88x = 20,528.99 × 8,161.85
  4. Step 4: Simplify right side
    14,875.88x = 167,554,393.58
  5. Step 5: Solve for x
    x = 167,554,393.58/14,875.88
  6. Step 6: Final answer
    x = 11,263.50

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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.