Home / 13,483.19-20,231.69-7,566.75

Finding the Fourth Proportional to 13,483.19, 20,231.69 and 7,566.75

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Solution

The fourth proportional to 13,483.19, 20,231.69 and 7,566.75 is: 11,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.19 : 20,231.69 = 7,566.75 : x
  2. Step 2: Convert to fraction form
    13,483.19/20,231.69 = 7,566.75/x
  3. Step 3: Cross multiply
    13,483.19x = 20,231.69 × 7,566.75
  4. Step 4: Simplify right side
    13,483.19x = 153,088,102.47
  5. Step 5: Solve for x
    x = 153,088,102.47/13,483.19
  6. Step 6: Final answer
    x = 11,354.00

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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.