Home / 13,695.47-20,545.13-4,334.50

Finding the Fourth Proportional to 13,695.47, 20,545.13 and 4,334.50

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Solution

The fourth proportional to 13,695.47, 20,545.13 and 4,334.50 is: 6,502.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.47 : 20,545.13 = 4,334.50 : x
  2. Step 2: Convert to fraction form
    13,695.47/20,545.13 = 4,334.50/x
  3. Step 3: Cross multiply
    13,695.47x = 20,545.13 × 4,334.50
  4. Step 4: Simplify right side
    13,695.47x = 89,052,865.99
  5. Step 5: Solve for x
    x = 89,052,865.99/13,695.47
  6. Step 6: Final answer
    x = 6,502.36

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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.