Home / 14,718.89-20,312.30-8,004.80

Finding the Fourth Proportional to 14,718.89, 20,312.30 and 8,004.80

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Solution

The fourth proportional to 14,718.89, 20,312.30 and 8,004.80 is: 11,046.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.89 : 20,312.30 = 8,004.80 : x
  2. Step 2: Convert to fraction form
    14,718.89/20,312.30 = 8,004.80/x
  3. Step 3: Cross multiply
    14,718.89x = 20,312.30 × 8,004.80
  4. Step 4: Simplify right side
    14,718.89x = 162,595,899.04
  5. Step 5: Solve for x
    x = 162,595,899.04/14,718.89
  6. Step 6: Final answer
    x = 11,046.75

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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.