Home / 10,403.28-14,357.79-6,873.84

Finding the Fourth Proportional to 10,403.28, 14,357.79 and 6,873.84

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Solution

The fourth proportional to 10,403.28, 14,357.79 and 6,873.84 is: 9,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.28 : 14,357.79 = 6,873.84 : x
  2. Step 2: Convert to fraction form
    10,403.28/14,357.79 = 6,873.84/x
  3. Step 3: Cross multiply
    10,403.28x = 14,357.79 × 6,873.84
  4. Step 4: Simplify right side
    10,403.28x = 98,693,151.21
  5. Step 5: Solve for x
    x = 98,693,151.21/10,403.28
  6. Step 6: Final answer
    x = 9,486.73

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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.