Home / 10,308.63-15,460.98-2,911.32

Finding the Fourth Proportional to 10,308.63, 15,460.98 and 2,911.32

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Solution

The fourth proportional to 10,308.63, 15,460.98 and 2,911.32 is: 4,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.63 : 15,460.98 = 2,911.32 : x
  2. Step 2: Convert to fraction form
    10,308.63/15,460.98 = 2,911.32/x
  3. Step 3: Cross multiply
    10,308.63x = 15,460.98 × 2,911.32
  4. Step 4: Simplify right side
    10,308.63x = 45,011,860.29
  5. Step 5: Solve for x
    x = 45,011,860.29/10,308.63
  6. Step 6: Final answer
    x = 4,366.43

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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.