Home / 13,695.63-20,543.50-4,335.69

Finding the Fourth Proportional to 13,695.63, 20,543.50 and 4,335.69

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Solution

The fourth proportional to 13,695.63, 20,543.50 and 4,335.69 is: 6,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.63 : 20,543.50 = 4,335.69 : x
  2. Step 2: Convert to fraction form
    13,695.63/20,543.50 = 4,335.69/x
  3. Step 3: Cross multiply
    13,695.63x = 20,543.50 × 4,335.69
  4. Step 4: Simplify right side
    13,695.63x = 89,070,318.84
  5. Step 5: Solve for x
    x = 89,070,318.84/13,695.63
  6. Step 6: Final answer
    x = 6,503.56

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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.