Home / 21,860.16-32,806.44-9,386.16

Finding the Fourth Proportional to 21,860.16, 32,806.44 and 9,386.16

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Solution

The fourth proportional to 21,860.16, 32,806.44 and 9,386.16 is: 14,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860.16 : 32,806.44 = 9,386.16 : x
  2. Step 2: Convert to fraction form
    21,860.16/32,806.44 = 9,386.16/x
  3. Step 3: Cross multiply
    21,860.16x = 32,806.44 × 9,386.16
  4. Step 4: Simplify right side
    21,860.16x = 307,926,494.87
  5. Step 5: Solve for x
    x = 307,926,494.87/21,860.16
  6. Step 6: Final answer
    x = 14,086.20

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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.