Home / 10,064.40-13,895.64-7,702.32

Finding the Fourth Proportional to 10,064.40, 13,895.64 and 7,702.32

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Solution

The fourth proportional to 10,064.40, 13,895.64 and 7,702.32 is: 10,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,064.40 : 13,895.64 = 7,702.32 : x
  2. Step 2: Convert to fraction form
    10,064.40/13,895.64 = 7,702.32/x
  3. Step 3: Cross multiply
    10,064.40x = 13,895.64 × 7,702.32
  4. Step 4: Simplify right side
    10,064.40x = 107,028,665.88
  5. Step 5: Solve for x
    x = 107,028,665.88/10,064.40
  6. Step 6: Final answer
    x = 10,634.38

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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.