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Finding the Fourth Proportional to 14,763.16, 22,119.68 and 8,907.47

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Solution

The fourth proportional to 14,763.16, 22,119.68 and 8,907.47 is: 13,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.16 : 22,119.68 = 8,907.47 : x
  2. Step 2: Convert to fraction form
    14,763.16/22,119.68 = 8,907.47/x
  3. Step 3: Cross multiply
    14,763.16x = 22,119.68 × 8,907.47
  4. Step 4: Simplify right side
    14,763.16x = 197,030,380.63
  5. Step 5: Solve for x
    x = 197,030,380.63/14,763.16
  6. Step 6: Final answer
    x = 13,346.08

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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.