Home / 14,719.99-20,318.80-8,751.63

Finding the Fourth Proportional to 14,719.99, 20,318.80 and 8,751.63

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Solution

The fourth proportional to 14,719.99, 20,318.80 and 8,751.63 is: 12,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.99 : 20,318.80 = 8,751.63 : x
  2. Step 2: Convert to fraction form
    14,719.99/20,318.80 = 8,751.63/x
  3. Step 3: Cross multiply
    14,719.99x = 20,318.80 × 8,751.63
  4. Step 4: Simplify right side
    14,719.99x = 177,822,641.52
  5. Step 5: Solve for x
    x = 177,822,641.52/14,719.99
  6. Step 6: Final answer
    x = 12,080.35

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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.