Home / 18,117.81-24,997.84-10,459.20

Finding the Fourth Proportional to 18,117.81, 24,997.84 and 10,459.20

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Solution

The fourth proportional to 18,117.81, 24,997.84 and 10,459.20 is: 14,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.81 : 24,997.84 = 10,459.20 : x
  2. Step 2: Convert to fraction form
    18,117.81/24,997.84 = 10,459.20/x
  3. Step 3: Cross multiply
    18,117.81x = 24,997.84 × 10,459.20
  4. Step 4: Simplify right side
    18,117.81x = 261,457,475.72
  5. Step 5: Solve for x
    x = 261,457,475.72/18,117.81
  6. Step 6: Final answer
    x = 14,430.96

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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.