Home / 10,263.93-15,395.10-6,315.72

Finding the Fourth Proportional to 10,263.93, 15,395.10 and 6,315.72

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Solution

The fourth proportional to 10,263.93, 15,395.10 and 6,315.72 is: 9,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.93 : 15,395.10 = 6,315.72 : x
  2. Step 2: Convert to fraction form
    10,263.93/15,395.10 = 6,315.72/x
  3. Step 3: Cross multiply
    10,263.93x = 15,395.10 × 6,315.72
  4. Step 4: Simplify right side
    10,263.93x = 97,231,146.15
  5. Step 5: Solve for x
    x = 97,231,146.15/10,263.93
  6. Step 6: Final answer
    x = 9,473.09

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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.