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Finding the Fourth Proportional to 14,965.06, 20,630.01 and 10,475.14

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Solution

The fourth proportional to 14,965.06, 20,630.01 and 10,475.14 is: 14,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965.06 : 20,630.01 = 10,475.14 : x
  2. Step 2: Convert to fraction form
    14,965.06/20,630.01 = 10,475.14/x
  3. Step 3: Cross multiply
    14,965.06x = 20,630.01 × 10,475.14
  4. Step 4: Simplify right side
    14,965.06x = 216,102,242.95
  5. Step 5: Solve for x
    x = 216,102,242.95/14,965.06
  6. Step 6: Final answer
    x = 14,440.45

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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.