Home / 13,702.61-20,533.32-10,577.90

Finding the Fourth Proportional to 13,702.61, 20,533.32 and 10,577.90

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Solution

The fourth proportional to 13,702.61, 20,533.32 and 10,577.90 is: 15,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.61 : 20,533.32 = 10,577.90 : x
  2. Step 2: Convert to fraction form
    13,702.61/20,533.32 = 10,577.90/x
  3. Step 3: Cross multiply
    13,702.61x = 20,533.32 × 10,577.90
  4. Step 4: Simplify right side
    13,702.61x = 217,199,302.96
  5. Step 5: Solve for x
    x = 217,199,302.96/13,702.61
  6. Step 6: Final answer
    x = 15,850.95

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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.