Home / 14,390.76-19,850.67-10,612.72

Finding the Fourth Proportional to 14,390.76, 19,850.67 and 10,612.72

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Solution

The fourth proportional to 14,390.76, 19,850.67 and 10,612.72 is: 14,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.76 : 19,850.67 = 10,612.72 : x
  2. Step 2: Convert to fraction form
    14,390.76/19,850.67 = 10,612.72/x
  3. Step 3: Cross multiply
    14,390.76x = 19,850.67 × 10,612.72
  4. Step 4: Simplify right side
    14,390.76x = 210,669,627.34
  5. Step 5: Solve for x
    x = 210,669,627.34/14,390.76
  6. Step 6: Final answer
    x = 14,639.22

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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.