Home / 11,148.02-15,384.39-6,368.60

Finding the Fourth Proportional to 11,148.02, 15,384.39 and 6,368.60

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Solution

The fourth proportional to 11,148.02, 15,384.39 and 6,368.60 is: 8,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.02 : 15,384.39 = 6,368.60 : x
  2. Step 2: Convert to fraction form
    11,148.02/15,384.39 = 6,368.60/x
  3. Step 3: Cross multiply
    11,148.02x = 15,384.39 × 6,368.60
  4. Step 4: Simplify right side
    11,148.02x = 97,976,997.46
  5. Step 5: Solve for x
    x = 97,976,997.46/11,148.02
  6. Step 6: Final answer
    x = 8,788.73

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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.