Home / 15,214.10-20,970.36-10,176.50

Finding the Fourth Proportional to 15,214.10, 20,970.36 and 10,176.50

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Solution

The fourth proportional to 15,214.10, 20,970.36 and 10,176.50 is: 14,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.10 : 20,970.36 = 10,176.50 : x
  2. Step 2: Convert to fraction form
    15,214.10/20,970.36 = 10,176.50/x
  3. Step 3: Cross multiply
    15,214.10x = 20,970.36 × 10,176.50
  4. Step 4: Simplify right side
    15,214.10x = 213,404,920.97
  5. Step 5: Solve for x
    x = 213,404,920.97/15,214.10
  6. Step 6: Final answer
    x = 14,026.79

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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.