Home / 14,350.18-19,804.85-8,688.04

Finding the Fourth Proportional to 14,350.18, 19,804.85 and 8,688.04

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Solution

The fourth proportional to 14,350.18, 19,804.85 and 8,688.04 is: 11,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.18 : 19,804.85 = 8,688.04 : x
  2. Step 2: Convert to fraction form
    14,350.18/19,804.85 = 8,688.04/x
  3. Step 3: Cross multiply
    14,350.18x = 19,804.85 × 8,688.04
  4. Step 4: Simplify right side
    14,350.18x = 172,065,328.99
  5. Step 5: Solve for x
    x = 172,065,328.99/14,350.18
  6. Step 6: Final answer
    x = 11,990.46

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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.