Home / 15,810.57-21,820.77-9,096.08

Finding the Fourth Proportional to 15,810.57, 21,820.77 and 9,096.08

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Solution

The fourth proportional to 15,810.57, 21,820.77 and 9,096.08 is: 12,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.57 : 21,820.77 = 9,096.08 : x
  2. Step 2: Convert to fraction form
    15,810.57/21,820.77 = 9,096.08/x
  3. Step 3: Cross multiply
    15,810.57x = 21,820.77 × 9,096.08
  4. Step 4: Simplify right side
    15,810.57x = 198,483,360.48
  5. Step 5: Solve for x
    x = 198,483,360.48/15,810.57
  6. Step 6: Final answer
    x = 12,553.84

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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.