Home / 10,208.20-15,312.30-3,283.40

Finding the Fourth Proportional to 10,208.20, 15,312.30 and 3,283.40

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Solution

The fourth proportional to 10,208.20, 15,312.30 and 3,283.40 is: 4,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.20 : 15,312.30 = 3,283.40 : x
  2. Step 2: Convert to fraction form
    10,208.20/15,312.30 = 3,283.40/x
  3. Step 3: Cross multiply
    10,208.20x = 15,312.30 × 3,283.40
  4. Step 4: Simplify right side
    10,208.20x = 50,276,405.82
  5. Step 5: Solve for x
    x = 50,276,405.82/10,208.20
  6. Step 6: Final answer
    x = 4,925.10

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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.