Home / 15,611.16-23,302.41-13,545.48

Finding the Fourth Proportional to 15,611.16, 23,302.41 and 13,545.48

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Solution

The fourth proportional to 15,611.16, 23,302.41 and 13,545.48 is: 20,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.16 : 23,302.41 = 13,545.48 : x
  2. Step 2: Convert to fraction form
    15,611.16/23,302.41 = 13,545.48/x
  3. Step 3: Cross multiply
    15,611.16x = 23,302.41 × 13,545.48
  4. Step 4: Simplify right side
    15,611.16x = 315,642,328.61
  5. Step 5: Solve for x
    x = 315,642,328.61/15,611.16
  6. Step 6: Final answer
    x = 20,219.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.