Home / 10,645.16-15,958.80-4,636.74

Finding the Fourth Proportional to 10,645.16, 15,958.80 and 4,636.74

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Solution

The fourth proportional to 10,645.16, 15,958.80 and 4,636.74 is: 6,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.16 : 15,958.80 = 4,636.74 : x
  2. Step 2: Convert to fraction form
    10,645.16/15,958.80 = 4,636.74/x
  3. Step 3: Cross multiply
    10,645.16x = 15,958.80 × 4,636.74
  4. Step 4: Simplify right side
    10,645.16x = 73,996,806.31
  5. Step 5: Solve for x
    x = 73,996,806.31/10,645.16
  6. Step 6: Final answer
    x = 6,951.22

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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.