Home / 13,373.02-18,459.62-7,784.02

Finding the Fourth Proportional to 13,373.02, 18,459.62 and 7,784.02

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Solution

The fourth proportional to 13,373.02, 18,459.62 and 7,784.02 is: 10,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.02 : 18,459.62 = 7,784.02 : x
  2. Step 2: Convert to fraction form
    13,373.02/18,459.62 = 7,784.02/x
  3. Step 3: Cross multiply
    13,373.02x = 18,459.62 × 7,784.02
  4. Step 4: Simplify right side
    13,373.02x = 143,689,982.67
  5. Step 5: Solve for x
    x = 143,689,982.67/13,373.02
  6. Step 6: Final answer
    x = 10,744.77

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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.