Home / 17,829.84-24,603-9,871.62

Finding the Fourth Proportional to 17,829.84, 24,603 and 9,871.62

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Solution

The fourth proportional to 17,829.84, 24,603 and 9,871.62 is: 13,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,829.84 : 24,603 = 9,871.62 : x
  2. Step 2: Convert to fraction form
    17,829.84/24,603 = 9,871.62/x
  3. Step 3: Cross multiply
    17,829.84x = 24,603 × 9,871.62
  4. Step 4: Simplify right side
    17,829.84x = 242,871,466.86
  5. Step 5: Solve for x
    x = 242,871,466.86/17,829.84
  6. Step 6: Final answer
    x = 13,621.63

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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.