Home / 13,545.02-20,301.93-5,220.87

Finding the Fourth Proportional to 13,545.02, 20,301.93 and 5,220.87

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Solution

The fourth proportional to 13,545.02, 20,301.93 and 5,220.87 is: 7,825.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.02 : 20,301.93 = 5,220.87 : x
  2. Step 2: Convert to fraction form
    13,545.02/20,301.93 = 5,220.87/x
  3. Step 3: Cross multiply
    13,545.02x = 20,301.93 × 5,220.87
  4. Step 4: Simplify right side
    13,545.02x = 105,993,737.28
  5. Step 5: Solve for x
    x = 105,993,737.28/13,545.02
  6. Step 6: Final answer
    x = 7,825.29

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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.