Home / 13,808.04-20,712.30-4,574.28

Finding the Fourth Proportional to 13,808.04, 20,712.30 and 4,574.28

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Solution

The fourth proportional to 13,808.04, 20,712.30 and 4,574.28 is: 6,861.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.04 : 20,712.30 = 4,574.28 : x
  2. Step 2: Convert to fraction form
    13,808.04/20,712.30 = 4,574.28/x
  3. Step 3: Cross multiply
    13,808.04x = 20,712.30 × 4,574.28
  4. Step 4: Simplify right side
    13,808.04x = 94,743,859.64
  5. Step 5: Solve for x
    x = 94,743,859.64/13,808.04
  6. Step 6: Final answer
    x = 6,861.50

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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.