Home / 17,985.12-24,821.28-10,433.76

Finding the Fourth Proportional to 17,985.12, 24,821.28 and 10,433.76

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Solution

The fourth proportional to 17,985.12, 24,821.28 and 10,433.76 is: 14,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.12 : 24,821.28 = 10,433.76 : x
  2. Step 2: Convert to fraction form
    17,985.12/24,821.28 = 10,433.76/x
  3. Step 3: Cross multiply
    17,985.12x = 24,821.28 × 10,433.76
  4. Step 4: Simplify right side
    17,985.12x = 258,979,278.41
  5. Step 5: Solve for x
    x = 258,979,278.41/17,985.12
  6. Step 6: Final answer
    x = 14,399.64

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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.