Home / 10,176.50-15,262.67-6,427.14

Finding the Fourth Proportional to 10,176.50, 15,262.67 and 6,427.14

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Solution

The fourth proportional to 10,176.50, 15,262.67 and 6,427.14 is: 9,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.50 : 15,262.67 = 6,427.14 : x
  2. Step 2: Convert to fraction form
    10,176.50/15,262.67 = 6,427.14/x
  3. Step 3: Cross multiply
    10,176.50x = 15,262.67 × 6,427.14
  4. Step 4: Simplify right side
    10,176.50x = 98,095,316.86
  5. Step 5: Solve for x
    x = 98,095,316.86/10,176.50
  6. Step 6: Final answer
    x = 9,639.40

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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.