Home / 13,326.90-19,977.55-10,363.70

Finding the Fourth Proportional to 13,326.90, 19,977.55 and 10,363.70

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Solution

The fourth proportional to 13,326.90, 19,977.55 and 10,363.70 is: 15,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.90 : 19,977.55 = 10,363.70 : x
  2. Step 2: Convert to fraction form
    13,326.90/19,977.55 = 10,363.70/x
  3. Step 3: Cross multiply
    13,326.90x = 19,977.55 × 10,363.70
  4. Step 4: Simplify right side
    13,326.90x = 207,041,334.94
  5. Step 5: Solve for x
    x = 207,041,334.94/13,326.90
  6. Step 6: Final answer
    x = 15,535.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.