Home / 15,873.17-21,892.34-10,208.57

Finding the Fourth Proportional to 15,873.17, 21,892.34 and 10,208.57

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Solution

The fourth proportional to 15,873.17, 21,892.34 and 10,208.57 is: 14,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.17 : 21,892.34 = 10,208.57 : x
  2. Step 2: Convert to fraction form
    15,873.17/21,892.34 = 10,208.57/x
  3. Step 3: Cross multiply
    15,873.17x = 21,892.34 × 10,208.57
  4. Step 4: Simplify right side
    15,873.17x = 223,489,401.41
  5. Step 5: Solve for x
    x = 223,489,401.41/15,873.17
  6. Step 6: Final answer
    x = 14,079.70

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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.