Home / 15,401.14-21,259.02-9,113.50

Finding the Fourth Proportional to 15,401.14, 21,259.02 and 9,113.50

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Solution

The fourth proportional to 15,401.14, 21,259.02 and 9,113.50 is: 12,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401.14 : 21,259.02 = 9,113.50 : x
  2. Step 2: Convert to fraction form
    15,401.14/21,259.02 = 9,113.50/x
  3. Step 3: Cross multiply
    15,401.14x = 21,259.02 × 9,113.50
  4. Step 4: Simplify right side
    15,401.14x = 193,744,078.77
  5. Step 5: Solve for x
    x = 193,744,078.77/15,401.14
  6. Step 6: Final answer
    x = 12,579.85

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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.