Home / 13,364.60-20,054.10-5,574.20

Finding the Fourth Proportional to 13,364.60, 20,054.10 and 5,574.20

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Solution

The fourth proportional to 13,364.60, 20,054.10 and 5,574.20 is: 8,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.60 : 20,054.10 = 5,574.20 : x
  2. Step 2: Convert to fraction form
    13,364.60/20,054.10 = 5,574.20/x
  3. Step 3: Cross multiply
    13,364.60x = 20,054.10 × 5,574.20
  4. Step 4: Simplify right side
    13,364.60x = 111,785,564.22
  5. Step 5: Solve for x
    x = 111,785,564.22/13,364.60
  6. Step 6: Final answer
    x = 8,364.30

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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.