Home / 10,812.18-16,220.47-4,572.18

Finding the Fourth Proportional to 10,812.18, 16,220.47 and 4,572.18

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Solution

The fourth proportional to 10,812.18, 16,220.47 and 4,572.18 is: 6,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.18 : 16,220.47 = 4,572.18 : x
  2. Step 2: Convert to fraction form
    10,812.18/16,220.47 = 4,572.18/x
  3. Step 3: Cross multiply
    10,812.18x = 16,220.47 × 4,572.18
  4. Step 4: Simplify right side
    10,812.18x = 74,162,905.67
  5. Step 5: Solve for x
    x = 74,162,905.67/10,812.18
  6. Step 6: Final answer
    x = 6,859.20

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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.