Home / 13,106.02-18,099.16-11,206.64

Finding the Fourth Proportional to 13,106.02, 18,099.16 and 11,206.64

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Solution

The fourth proportional to 13,106.02, 18,099.16 and 11,206.64 is: 15,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.02 : 18,099.16 = 11,206.64 : x
  2. Step 2: Convert to fraction form
    13,106.02/18,099.16 = 11,206.64/x
  3. Step 3: Cross multiply
    13,106.02x = 18,099.16 × 11,206.64
  4. Step 4: Simplify right side
    13,106.02x = 202,830,651.91
  5. Step 5: Solve for x
    x = 202,830,651.91/13,106.02
  6. Step 6: Final answer
    x = 15,476.15

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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.