Home / 10,342.04-14,274.32-6,309.76

Finding the Fourth Proportional to 10,342.04, 14,274.32 and 6,309.76

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Solution

The fourth proportional to 10,342.04, 14,274.32 and 6,309.76 is: 8,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.04 : 14,274.32 = 6,309.76 : x
  2. Step 2: Convert to fraction form
    10,342.04/14,274.32 = 6,309.76/x
  3. Step 3: Cross multiply
    10,342.04x = 14,274.32 × 6,309.76
  4. Step 4: Simplify right side
    10,342.04x = 90,067,533.36
  5. Step 5: Solve for x
    x = 90,067,533.36/10,342.04
  6. Step 6: Final answer
    x = 8,708.87

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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.