Home / 14,784.17-20,394.32-8,814.87

Finding the Fourth Proportional to 14,784.17, 20,394.32 and 8,814.87

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Solution

The fourth proportional to 14,784.17, 20,394.32 and 8,814.87 is: 12,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.17 : 20,394.32 = 8,814.87 : x
  2. Step 2: Convert to fraction form
    14,784.17/20,394.32 = 8,814.87/x
  3. Step 3: Cross multiply
    14,784.17x = 20,394.32 × 8,814.87
  4. Step 4: Simplify right side
    14,784.17x = 179,773,235.46
  5. Step 5: Solve for x
    x = 179,773,235.46/14,784.17
  6. Step 6: Final answer
    x = 12,159.85

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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.