Home / 16,457.20-24,685.80-11,208.40

Finding the Fourth Proportional to 16,457.20, 24,685.80 and 11,208.40

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Solution

The fourth proportional to 16,457.20, 24,685.80 and 11,208.40 is: 16,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,457.20 : 24,685.80 = 11,208.40 : x
  2. Step 2: Convert to fraction form
    16,457.20/24,685.80 = 11,208.40/x
  3. Step 3: Cross multiply
    16,457.20x = 24,685.80 × 11,208.40
  4. Step 4: Simplify right side
    16,457.20x = 276,688,320.72
  5. Step 5: Solve for x
    x = 276,688,320.72/16,457.20
  6. Step 6: Final answer
    x = 16,812.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.