Home / 18,140.04-27,205.02-4,989.24

Finding the Fourth Proportional to 18,140.04, 27,205.02 and 4,989.24

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Solution

The fourth proportional to 18,140.04, 27,205.02 and 4,989.24 is: 7,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.04 : 27,205.02 = 4,989.24 : x
  2. Step 2: Convert to fraction form
    18,140.04/27,205.02 = 4,989.24/x
  3. Step 3: Cross multiply
    18,140.04x = 27,205.02 × 4,989.24
  4. Step 4: Simplify right side
    18,140.04x = 135,732,373.98
  5. Step 5: Solve for x
    x = 135,732,373.98/18,140.04
  6. Step 6: Final answer
    x = 7,482.47

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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.