Home / 13,368.63-20,052.95-3,508.77

Finding the Fourth Proportional to 13,368.63, 20,052.95 and 3,508.77

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Solution

The fourth proportional to 13,368.63, 20,052.95 and 3,508.77 is: 5,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.63 : 20,052.95 = 3,508.77 : x
  2. Step 2: Convert to fraction form
    13,368.63/20,052.95 = 3,508.77/x
  3. Step 3: Cross multiply
    13,368.63x = 20,052.95 × 3,508.77
  4. Step 4: Simplify right side
    13,368.63x = 70,361,171.83
  5. Step 5: Solve for x
    x = 70,361,171.83/13,368.63
  6. Step 6: Final answer
    x = 5,263.16

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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.