Home / 9,811.40-14,717.10-5,664.20

Finding the Fourth Proportional to 9,811.40, 14,717.10 and 5,664.20

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Solution

The fourth proportional to 9,811.40, 14,717.10 and 5,664.20 is: 8,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.40 : 14,717.10 = 5,664.20 : x
  2. Step 2: Convert to fraction form
    9,811.40/14,717.10 = 5,664.20/x
  3. Step 3: Cross multiply
    9,811.40x = 14,717.10 × 5,664.20
  4. Step 4: Simplify right side
    9,811.40x = 83,360,597.82
  5. Step 5: Solve for x
    x = 83,360,597.82/9,811.40
  6. Step 6: Final answer
    x = 8,496.30

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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.