Home / 13,513.02-18,647.07-7,545.24

Finding the Fourth Proportional to 13,513.02, 18,647.07 and 7,545.24

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Solution

The fourth proportional to 13,513.02, 18,647.07 and 7,545.24 is: 10,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.02 : 18,647.07 = 7,545.24 : x
  2. Step 2: Convert to fraction form
    13,513.02/18,647.07 = 7,545.24/x
  3. Step 3: Cross multiply
    13,513.02x = 18,647.07 × 7,545.24
  4. Step 4: Simplify right side
    13,513.02x = 140,696,618.45
  5. Step 5: Solve for x
    x = 140,696,618.45/13,513.02
  6. Step 6: Final answer
    x = 10,411.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.