Home / 10,312.04-14,231.76-6,120.56

Finding the Fourth Proportional to 10,312.04, 14,231.76 and 6,120.56

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Solution

The fourth proportional to 10,312.04, 14,231.76 and 6,120.56 is: 8,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.04 : 14,231.76 = 6,120.56 : x
  2. Step 2: Convert to fraction form
    10,312.04/14,231.76 = 6,120.56/x
  3. Step 3: Cross multiply
    10,312.04x = 14,231.76 × 6,120.56
  4. Step 4: Simplify right side
    10,312.04x = 87,106,340.99
  5. Step 5: Solve for x
    x = 87,106,340.99/10,312.04
  6. Step 6: Final answer
    x = 8,447.05

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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.