Home / 10,417.20-15,606.96-6,898.86

Finding the Fourth Proportional to 10,417.20, 15,606.96 and 6,898.86

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Solution

The fourth proportional to 10,417.20, 15,606.96 and 6,898.86 is: 10,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.20 : 15,606.96 = 6,898.86 : x
  2. Step 2: Convert to fraction form
    10,417.20/15,606.96 = 6,898.86/x
  3. Step 3: Cross multiply
    10,417.20x = 15,606.96 × 6,898.86
  4. Step 4: Simplify right side
    10,417.20x = 107,670,232.07
  5. Step 5: Solve for x
    x = 107,670,232.07/10,417.20
  6. Step 6: Final answer
    x = 10,335.81

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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.