Home / 13,543.36-20,225.04-13,396.74

Finding the Fourth Proportional to 13,543.36, 20,225.04 and 13,396.74

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Solution

The fourth proportional to 13,543.36, 20,225.04 and 13,396.74 is: 20,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.36 : 20,225.04 = 13,396.74 : x
  2. Step 2: Convert to fraction form
    13,543.36/20,225.04 = 13,396.74/x
  3. Step 3: Cross multiply
    13,543.36x = 20,225.04 × 13,396.74
  4. Step 4: Simplify right side
    13,543.36x = 270,949,602.37
  5. Step 5: Solve for x
    x = 270,949,602.37/13,543.36
  6. Step 6: Final answer
    x = 20,006.08

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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.