Home / 14,485.24-20,001.90-9,189.46

Finding the Fourth Proportional to 14,485.24, 20,001.90 and 9,189.46

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Solution

The fourth proportional to 14,485.24, 20,001.90 and 9,189.46 is: 12,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.24 : 20,001.90 = 9,189.46 : x
  2. Step 2: Convert to fraction form
    14,485.24/20,001.90 = 9,189.46/x
  3. Step 3: Cross multiply
    14,485.24x = 20,001.90 × 9,189.46
  4. Step 4: Simplify right side
    14,485.24x = 183,806,659.97
  5. Step 5: Solve for x
    x = 183,806,659.97/14,485.24
  6. Step 6: Final answer
    x = 12,689.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.