Home / 13,080.02-18,053.29-8,604.21

Finding the Fourth Proportional to 13,080.02, 18,053.29 and 8,604.21

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Solution

The fourth proportional to 13,080.02, 18,053.29 and 8,604.21 is: 11,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.02 : 18,053.29 = 8,604.21 : x
  2. Step 2: Convert to fraction form
    13,080.02/18,053.29 = 8,604.21/x
  3. Step 3: Cross multiply
    13,080.02x = 18,053.29 × 8,604.21
  4. Step 4: Simplify right side
    13,080.02x = 155,334,298.35
  5. Step 5: Solve for x
    x = 155,334,298.35/13,080.02
  6. Step 6: Final answer
    x = 11,875.69

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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.