Home / 14,762.10-20,371.62-8,476.50

Finding the Fourth Proportional to 14,762.10, 20,371.62 and 8,476.50

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Solution

The fourth proportional to 14,762.10, 20,371.62 and 8,476.50 is: 11,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.10 : 20,371.62 = 8,476.50 : x
  2. Step 2: Convert to fraction form
    14,762.10/20,371.62 = 8,476.50/x
  3. Step 3: Cross multiply
    14,762.10x = 20,371.62 × 8,476.50
  4. Step 4: Simplify right side
    14,762.10x = 172,680,036.93
  5. Step 5: Solve for x
    x = 172,680,036.93/14,762.10
  6. Step 6: Final answer
    x = 11,697.53

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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.