Home / 11,407.02-17,110.80-6,464.40

Finding the Fourth Proportional to 11,407.02, 17,110.80 and 6,464.40

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Solution

The fourth proportional to 11,407.02, 17,110.80 and 6,464.40 is: 9,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.02 : 17,110.80 = 6,464.40 : x
  2. Step 2: Convert to fraction form
    11,407.02/17,110.80 = 6,464.40/x
  3. Step 3: Cross multiply
    11,407.02x = 17,110.80 × 6,464.40
  4. Step 4: Simplify right side
    11,407.02x = 110,611,055.52
  5. Step 5: Solve for x
    x = 110,611,055.52/11,407.02
  6. Step 6: Final answer
    x = 9,696.75

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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.