Home / 10,001.86-15,003.65-2,606.30

Finding the Fourth Proportional to 10,001.86, 15,003.65 and 2,606.30

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Solution

The fourth proportional to 10,001.86, 15,003.65 and 2,606.30 is: 3,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.86 : 15,003.65 = 2,606.30 : x
  2. Step 2: Convert to fraction form
    10,001.86/15,003.65 = 2,606.30/x
  3. Step 3: Cross multiply
    10,001.86x = 15,003.65 × 2,606.30
  4. Step 4: Simplify right side
    10,001.86x = 39,104,000.76
  5. Step 5: Solve for x
    x = 39,104,000.76/10,001.86
  6. Step 6: Final answer
    x = 3,909.67

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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.