Home / 10,318.18-14,239.38-6,069.55

Finding the Fourth Proportional to 10,318.18, 14,239.38 and 6,069.55

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Solution

The fourth proportional to 10,318.18, 14,239.38 and 6,069.55 is: 8,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.18 : 14,239.38 = 6,069.55 : x
  2. Step 2: Convert to fraction form
    10,318.18/14,239.38 = 6,069.55/x
  3. Step 3: Cross multiply
    10,318.18x = 14,239.38 × 6,069.55
  4. Step 4: Simplify right side
    10,318.18x = 86,426,628.88
  5. Step 5: Solve for x
    x = 86,426,628.88/10,318.18
  6. Step 6: Final answer
    x = 8,376.15

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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.