Home / 10,318.24-15,486.20-10,240.58

Finding the Fourth Proportional to 10,318.24, 15,486.20 and 10,240.58

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Solution

The fourth proportional to 10,318.24, 15,486.20 and 10,240.58 is: 15,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.24 : 15,486.20 = 10,240.58 : x
  2. Step 2: Convert to fraction form
    10,318.24/15,486.20 = 10,240.58/x
  3. Step 3: Cross multiply
    10,318.24x = 15,486.20 × 10,240.58
  4. Step 4: Simplify right side
    10,318.24x = 158,587,670.00
  5. Step 5: Solve for x
    x = 158,587,670.00/10,318.24
  6. Step 6: Final answer
    x = 15,369.64

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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.