Home / 10,274.64-14,178.80-5,558.88

Finding the Fourth Proportional to 10,274.64, 14,178.80 and 5,558.88

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Solution

The fourth proportional to 10,274.64, 14,178.80 and 5,558.88 is: 7,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.64 : 14,178.80 = 5,558.88 : x
  2. Step 2: Convert to fraction form
    10,274.64/14,178.80 = 5,558.88/x
  3. Step 3: Cross multiply
    10,274.64x = 14,178.80 × 5,558.88
  4. Step 4: Simplify right side
    10,274.64x = 78,818,247.74
  5. Step 5: Solve for x
    x = 78,818,247.74/10,274.64
  6. Step 6: Final answer
    x = 7,671.14

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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.