Home / 14,666.89-20,240.75-8,293.65

Finding the Fourth Proportional to 14,666.89, 20,240.75 and 8,293.65

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Solution

The fourth proportional to 14,666.89, 20,240.75 and 8,293.65 is: 11,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.89 : 20,240.75 = 8,293.65 : x
  2. Step 2: Convert to fraction form
    14,666.89/20,240.75 = 8,293.65/x
  3. Step 3: Cross multiply
    14,666.89x = 20,240.75 × 8,293.65
  4. Step 4: Simplify right side
    14,666.89x = 167,869,696.24
  5. Step 5: Solve for x
    x = 167,869,696.24/14,666.89
  6. Step 6: Final answer
    x = 11,445.49

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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.