Home / 10,001.45-15,017.58-8,461.68

Finding the Fourth Proportional to 10,001.45, 15,017.58 and 8,461.68

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Solution

The fourth proportional to 10,001.45, 15,017.58 and 8,461.68 is: 12,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.45 : 15,017.58 = 8,461.68 : x
  2. Step 2: Convert to fraction form
    10,001.45/15,017.58 = 8,461.68/x
  3. Step 3: Cross multiply
    10,001.45x = 15,017.58 × 8,461.68
  4. Step 4: Simplify right side
    10,001.45x = 127,073,956.33
  5. Step 5: Solve for x
    x = 127,073,956.33/10,001.45
  6. Step 6: Final answer
    x = 12,705.56

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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.