Home / 17,943.77-24,762.21-9,985.86

Finding the Fourth Proportional to 17,943.77, 24,762.21 and 9,985.86

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Solution

The fourth proportional to 17,943.77, 24,762.21 and 9,985.86 is: 13,780.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.77 : 24,762.21 = 9,985.86 : x
  2. Step 2: Convert to fraction form
    17,943.77/24,762.21 = 9,985.86/x
  3. Step 3: Cross multiply
    17,943.77x = 24,762.21 × 9,985.86
  4. Step 4: Simplify right side
    17,943.77x = 247,271,962.35
  5. Step 5: Solve for x
    x = 247,271,962.35/17,943.77
  6. Step 6: Final answer
    x = 13,780.38

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Double scale
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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.