Home / 14,655.91-20,222.98-8,280.81

Finding the Fourth Proportional to 14,655.91, 20,222.98 and 8,280.81

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Solution

The fourth proportional to 14,655.91, 20,222.98 and 8,280.81 is: 11,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.91 : 20,222.98 = 8,280.81 : x
  2. Step 2: Convert to fraction form
    14,655.91/20,222.98 = 8,280.81/x
  3. Step 3: Cross multiply
    14,655.91x = 20,222.98 × 8,280.81
  4. Step 4: Simplify right side
    14,655.91x = 167,462,655.01
  5. Step 5: Solve for x
    x = 167,462,655.01/14,655.91
  6. Step 6: Final answer
    x = 11,426.29

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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.