Home / 10,208.32-15,282.60-7,752.80

Finding the Fourth Proportional to 10,208.32, 15,282.60 and 7,752.80

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Solution

The fourth proportional to 10,208.32, 15,282.60 and 7,752.80 is: 11,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.32 : 15,282.60 = 7,752.80 : x
  2. Step 2: Convert to fraction form
    10,208.32/15,282.60 = 7,752.80/x
  3. Step 3: Cross multiply
    10,208.32x = 15,282.60 × 7,752.80
  4. Step 4: Simplify right side
    10,208.32x = 118,482,941.28
  5. Step 5: Solve for x
    x = 118,482,941.28/10,208.32
  6. Step 6: Final answer
    x = 11,606.51

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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.