Home / 13,807.86-20,702.64-9,634.32

Finding the Fourth Proportional to 13,807.86, 20,702.64 and 9,634.32

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Solution

The fourth proportional to 13,807.86, 20,702.64 and 9,634.32 is: 14,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.86 : 20,702.64 = 9,634.32 : x
  2. Step 2: Convert to fraction form
    13,807.86/20,702.64 = 9,634.32/x
  3. Step 3: Cross multiply
    13,807.86x = 20,702.64 × 9,634.32
  4. Step 4: Simplify right side
    13,807.86x = 199,455,858.60
  5. Step 5: Solve for x
    x = 199,455,858.60/13,807.86
  6. Step 6: Final answer
    x = 14,445.10

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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.