Home / 13,529.10-20,293.38-5,210.90

Finding the Fourth Proportional to 13,529.10, 20,293.38 and 5,210.90

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Solution

The fourth proportional to 13,529.10, 20,293.38 and 5,210.90 is: 7,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.10 : 20,293.38 = 5,210.90 : x
  2. Step 2: Convert to fraction form
    13,529.10/20,293.38 = 5,210.90/x
  3. Step 3: Cross multiply
    13,529.10x = 20,293.38 × 5,210.90
  4. Step 4: Simplify right side
    13,529.10x = 105,746,773.84
  5. Step 5: Solve for x
    x = 105,746,773.84/13,529.10
  6. Step 6: Final answer
    x = 7,816.25

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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.