Home / 17,985.16-24,821.40-10,429.21

Finding the Fourth Proportional to 17,985.16, 24,821.40 and 10,429.21

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Solution

The fourth proportional to 17,985.16, 24,821.40 and 10,429.21 is: 14,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.16 : 24,821.40 = 10,429.21 : x
  2. Step 2: Convert to fraction form
    17,985.16/24,821.40 = 10,429.21/x
  3. Step 3: Cross multiply
    17,985.16x = 24,821.40 × 10,429.21
  4. Step 4: Simplify right side
    17,985.16x = 258,867,593.09
  5. Step 5: Solve for x
    x = 258,867,593.09/17,985.16
  6. Step 6: Final answer
    x = 14,393.40

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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.