Home / 15,363.94-21,202.66-9,395.50

Finding the Fourth Proportional to 15,363.94, 21,202.66 and 9,395.50

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Solution

The fourth proportional to 15,363.94, 21,202.66 and 9,395.50 is: 12,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.94 : 21,202.66 = 9,395.50 : x
  2. Step 2: Convert to fraction form
    15,363.94/21,202.66 = 9,395.50/x
  3. Step 3: Cross multiply
    15,363.94x = 21,202.66 × 9,395.50
  4. Step 4: Simplify right side
    15,363.94x = 199,209,592.03
  5. Step 5: Solve for x
    x = 199,209,592.03/15,363.94
  6. Step 6: Final answer
    x = 12,966.05

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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.