Home / 13,695.43-20,545.41-4,808.45

Finding the Fourth Proportional to 13,695.43, 20,545.41 and 4,808.45

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Solution

The fourth proportional to 13,695.43, 20,545.41 and 4,808.45 is: 7,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.43 : 20,545.41 = 4,808.45 : x
  2. Step 2: Convert to fraction form
    13,695.43/20,545.41 = 4,808.45/x
  3. Step 3: Cross multiply
    13,695.43x = 20,545.41 × 4,808.45
  4. Step 4: Simplify right side
    13,695.43x = 98,791,646.11
  5. Step 5: Solve for x
    x = 98,791,646.11/13,695.43
  6. Step 6: Final answer
    x = 7,213.48

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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.