Home / 10,611.07-14,643.36-6,634.49

Finding the Fourth Proportional to 10,611.07, 14,643.36 and 6,634.49

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Solution

The fourth proportional to 10,611.07, 14,643.36 and 6,634.49 is: 9,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.07 : 14,643.36 = 6,634.49 : x
  2. Step 2: Convert to fraction form
    10,611.07/14,643.36 = 6,634.49/x
  3. Step 3: Cross multiply
    10,611.07x = 14,643.36 × 6,634.49
  4. Step 4: Simplify right side
    10,611.07x = 97,151,152.27
  5. Step 5: Solve for x
    x = 97,151,152.27/10,611.07
  6. Step 6: Final answer
    x = 9,155.64

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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.