Home / 14,899.90-20,563.64-8,934.86

Finding the Fourth Proportional to 14,899.90, 20,563.64 and 8,934.86

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Solution

The fourth proportional to 14,899.90, 20,563.64 and 8,934.86 is: 12,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.90 : 20,563.64 = 8,934.86 : x
  2. Step 2: Convert to fraction form
    14,899.90/20,563.64 = 8,934.86/x
  3. Step 3: Cross multiply
    14,899.90x = 20,563.64 × 8,934.86
  4. Step 4: Simplify right side
    14,899.90x = 183,733,244.49
  5. Step 5: Solve for x
    x = 183,733,244.49/14,899.90
  6. Step 6: Final answer
    x = 12,331.17

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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.