Home / 10,312.24-15,460.80-3,288.21

Finding the Fourth Proportional to 10,312.24, 15,460.80 and 3,288.21

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Solution

The fourth proportional to 10,312.24, 15,460.80 and 3,288.21 is: 4,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.24 : 15,460.80 = 3,288.21 : x
  2. Step 2: Convert to fraction form
    10,312.24/15,460.80 = 3,288.21/x
  3. Step 3: Cross multiply
    10,312.24x = 15,460.80 × 3,288.21
  4. Step 4: Simplify right side
    10,312.24x = 50,838,357.17
  5. Step 5: Solve for x
    x = 50,838,357.17/10,312.24
  6. Step 6: Final answer
    x = 4,929.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.