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Finding the Fourth Proportional to 14,670.56, 22,007.12 and 6,875.20

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Solution

The fourth proportional to 14,670.56, 22,007.12 and 6,875.20 is: 10,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.56 : 22,007.12 = 6,875.20 : x
  2. Step 2: Convert to fraction form
    14,670.56/22,007.12 = 6,875.20/x
  3. Step 3: Cross multiply
    14,670.56x = 22,007.12 × 6,875.20
  4. Step 4: Simplify right side
    14,670.56x = 151,303,351.42
  5. Step 5: Solve for x
    x = 151,303,351.42/14,670.56
  6. Step 6: Final answer
    x = 10,313.40

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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.