Home / 10,858.31-14,981.88-6,609.32

Finding the Fourth Proportional to 10,858.31, 14,981.88 and 6,609.32

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Solution

The fourth proportional to 10,858.31, 14,981.88 and 6,609.32 is: 9,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.31 : 14,981.88 = 6,609.32 : x
  2. Step 2: Convert to fraction form
    10,858.31/14,981.88 = 6,609.32/x
  3. Step 3: Cross multiply
    10,858.31x = 14,981.88 × 6,609.32
  4. Step 4: Simplify right side
    10,858.31x = 99,020,076.58
  5. Step 5: Solve for x
    x = 99,020,076.58/10,858.31
  6. Step 6: Final answer
    x = 9,119.29

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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.