Home / 10,343.92-14,274.57-5,628.28

Finding the Fourth Proportional to 10,343.92, 14,274.57 and 5,628.28

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Solution

The fourth proportional to 10,343.92, 14,274.57 and 5,628.28 is: 7,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.92 : 14,274.57 = 5,628.28 : x
  2. Step 2: Convert to fraction form
    10,343.92/14,274.57 = 5,628.28/x
  3. Step 3: Cross multiply
    10,343.92x = 14,274.57 × 5,628.28
  4. Step 4: Simplify right side
    10,343.92x = 80,341,276.84
  5. Step 5: Solve for x
    x = 80,341,276.84/10,343.92
  6. Step 6: Final answer
    x = 7,767.00

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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.