Home / 10,656.90-15,986.46-4,088.58

Finding the Fourth Proportional to 10,656.90, 15,986.46 and 4,088.58

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Solution

The fourth proportional to 10,656.90, 15,986.46 and 4,088.58 is: 6,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.90 : 15,986.46 = 4,088.58 : x
  2. Step 2: Convert to fraction form
    10,656.90/15,986.46 = 4,088.58/x
  3. Step 3: Cross multiply
    10,656.90x = 15,986.46 × 4,088.58
  4. Step 4: Simplify right side
    10,656.90x = 65,361,920.63
  5. Step 5: Solve for x
    x = 65,361,920.63/10,656.90
  6. Step 6: Final answer
    x = 6,133.30

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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.