Home / 11,426.13-15,768.18-6,710.49

Finding the Fourth Proportional to 11,426.13, 15,768.18 and 6,710.49

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Solution

The fourth proportional to 11,426.13, 15,768.18 and 6,710.49 is: 9,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.13 : 15,768.18 = 6,710.49 : x
  2. Step 2: Convert to fraction form
    11,426.13/15,768.18 = 6,710.49/x
  3. Step 3: Cross multiply
    11,426.13x = 15,768.18 × 6,710.49
  4. Step 4: Simplify right side
    11,426.13x = 105,812,214.21
  5. Step 5: Solve for x
    x = 105,812,214.21/11,426.13
  6. Step 6: Final answer
    x = 9,260.55

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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.