Home / 21,395.32-32,090.95-6,600.26

Finding the Fourth Proportional to 21,395.32, 32,090.95 and 6,600.26

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Solution

The fourth proportional to 21,395.32, 32,090.95 and 6,600.26 is: 9,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.32 : 32,090.95 = 6,600.26 : x
  2. Step 2: Convert to fraction form
    21,395.32/32,090.95 = 6,600.26/x
  3. Step 3: Cross multiply
    21,395.32x = 32,090.95 × 6,600.26
  4. Step 4: Simplify right side
    21,395.32x = 211,808,613.65
  5. Step 5: Solve for x
    x = 211,808,613.65/21,395.32
  6. Step 6: Final answer
    x = 9,899.76

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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.