Home / 14,810.76-22,219.38-6,487.20

Finding the Fourth Proportional to 14,810.76, 22,219.38 and 6,487.20

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Solution

The fourth proportional to 14,810.76, 22,219.38 and 6,487.20 is: 9,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.76 : 22,219.38 = 6,487.20 : x
  2. Step 2: Convert to fraction form
    14,810.76/22,219.38 = 6,487.20/x
  3. Step 3: Cross multiply
    14,810.76x = 22,219.38 × 6,487.20
  4. Step 4: Simplify right side
    14,810.76x = 144,141,561.94
  5. Step 5: Solve for x
    x = 144,141,561.94/14,810.76
  6. Step 6: Final answer
    x = 9,732.22

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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.