Home / 15,795.16-21,800.10-9,422.14

Finding the Fourth Proportional to 15,795.16, 21,800.10 and 9,422.14

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Solution

The fourth proportional to 15,795.16, 21,800.10 and 9,422.14 is: 13,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.16 : 21,800.10 = 9,422.14 : x
  2. Step 2: Convert to fraction form
    15,795.16/21,800.10 = 9,422.14/x
  3. Step 3: Cross multiply
    15,795.16x = 21,800.10 × 9,422.14
  4. Step 4: Simplify right side
    15,795.16x = 205,403,594.21
  5. Step 5: Solve for x
    x = 205,403,594.21/15,795.16
  6. Step 6: Final answer
    x = 13,004.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.