Home / 16,688.10-25,032.15-8,814.90

Finding the Fourth Proportional to 16,688.10, 25,032.15 and 8,814.90

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Solution

The fourth proportional to 16,688.10, 25,032.15 and 8,814.90 is: 13,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.10 : 25,032.15 = 8,814.90 : x
  2. Step 2: Convert to fraction form
    16,688.10/25,032.15 = 8,814.90/x
  3. Step 3: Cross multiply
    16,688.10x = 25,032.15 × 8,814.90
  4. Step 4: Simplify right side
    16,688.10x = 220,655,899.04
  5. Step 5: Solve for x
    x = 220,655,899.04/16,688.10
  6. Step 6: Final answer
    x = 13,222.35

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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.