Home / 15,001.56-20,698.38-10,213.02

Finding the Fourth Proportional to 15,001.56, 20,698.38 and 10,213.02

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Solution

The fourth proportional to 15,001.56, 20,698.38 and 10,213.02 is: 14,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001.56 : 20,698.38 = 10,213.02 : x
  2. Step 2: Convert to fraction form
    15,001.56/20,698.38 = 10,213.02/x
  3. Step 3: Cross multiply
    15,001.56x = 20,698.38 × 10,213.02
  4. Step 4: Simplify right side
    15,001.56x = 211,392,968.91
  5. Step 5: Solve for x
    x = 211,392,968.91/15,001.56
  6. Step 6: Final answer
    x = 14,091.40

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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.