Home / 13,668.04-20,503.32-5,875.06

Finding the Fourth Proportional to 13,668.04, 20,503.32 and 5,875.06

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Solution

The fourth proportional to 13,668.04, 20,503.32 and 5,875.06 is: 8,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.04 : 20,503.32 = 5,875.06 : x
  2. Step 2: Convert to fraction form
    13,668.04/20,503.32 = 5,875.06/x
  3. Step 3: Cross multiply
    13,668.04x = 20,503.32 × 5,875.06
  4. Step 4: Simplify right side
    13,668.04x = 120,458,235.20
  5. Step 5: Solve for x
    x = 120,458,235.20/13,668.04
  6. Step 6: Final answer
    x = 8,813.13

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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.