Home / 14,724.64-20,314.56-8,756.56

Finding the Fourth Proportional to 14,724.64, 20,314.56 and 8,756.56

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Solution

The fourth proportional to 14,724.64, 20,314.56 and 8,756.56 is: 12,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.64 : 20,314.56 = 8,756.56 : x
  2. Step 2: Convert to fraction form
    14,724.64/20,314.56 = 8,756.56/x
  3. Step 3: Cross multiply
    14,724.64x = 20,314.56 × 8,756.56
  4. Step 4: Simplify right side
    14,724.64x = 177,885,663.51
  5. Step 5: Solve for x
    x = 177,885,663.51/14,724.64
  6. Step 6: Final answer
    x = 12,080.82

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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.