Home / 13,330.24-20,001.12-4,566.40

Finding the Fourth Proportional to 13,330.24, 20,001.12 and 4,566.40

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Solution

The fourth proportional to 13,330.24, 20,001.12 and 4,566.40 is: 6,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.24 : 20,001.12 = 4,566.40 : x
  2. Step 2: Convert to fraction form
    13,330.24/20,001.12 = 4,566.40/x
  3. Step 3: Cross multiply
    13,330.24x = 20,001.12 × 4,566.40
  4. Step 4: Simplify right side
    13,330.24x = 91,333,114.37
  5. Step 5: Solve for x
    x = 91,333,114.37/13,330.24
  6. Step 6: Final answer
    x = 6,851.57

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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.