Home / 13,434.50-20,151.77-4,669.43

Finding the Fourth Proportional to 13,434.50, 20,151.77 and 4,669.43

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Solution

The fourth proportional to 13,434.50, 20,151.77 and 4,669.43 is: 7,004.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.50 : 20,151.77 = 4,669.43 : x
  2. Step 2: Convert to fraction form
    13,434.50/20,151.77 = 4,669.43/x
  3. Step 3: Cross multiply
    13,434.50x = 20,151.77 × 4,669.43
  4. Step 4: Simplify right side
    13,434.50x = 94,097,155.29
  5. Step 5: Solve for x
    x = 94,097,155.29/13,434.50
  6. Step 6: Final answer
    x = 7,004.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.