Home / 9,705.60-14,557.28-2,686.12

Finding the Fourth Proportional to 9,705.60, 14,557.28 and 2,686.12

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Solution

The fourth proportional to 9,705.60, 14,557.28 and 2,686.12 is: 4,028.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.60 : 14,557.28 = 2,686.12 : x
  2. Step 2: Convert to fraction form
    9,705.60/14,557.28 = 2,686.12/x
  3. Step 3: Cross multiply
    9,705.60x = 14,557.28 × 2,686.12
  4. Step 4: Simplify right side
    9,705.60x = 39,102,600.95
  5. Step 5: Solve for x
    x = 39,102,600.95/9,705.60
  6. Step 6: Final answer
    x = 4,028.87

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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.