Home / 11,455.02-17,089.38-11,307.60

Finding the Fourth Proportional to 11,455.02, 17,089.38 and 11,307.60

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Solution

The fourth proportional to 11,455.02, 17,089.38 and 11,307.60 is: 16,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.02 : 17,089.38 = 11,307.60 : x
  2. Step 2: Convert to fraction form
    11,455.02/17,089.38 = 11,307.60/x
  3. Step 3: Cross multiply
    11,455.02x = 17,089.38 × 11,307.60
  4. Step 4: Simplify right side
    11,455.02x = 193,239,873.29
  5. Step 5: Solve for x
    x = 193,239,873.29/11,455.02
  6. Step 6: Final answer
    x = 16,869.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.