Home / 13,269.66-18,312.27-7,604.28

Finding the Fourth Proportional to 13,269.66, 18,312.27 and 7,604.28

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Solution

The fourth proportional to 13,269.66, 18,312.27 and 7,604.28 is: 10,493.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.66 : 18,312.27 = 7,604.28 : x
  2. Step 2: Convert to fraction form
    13,269.66/18,312.27 = 7,604.28/x
  3. Step 3: Cross multiply
    13,269.66x = 18,312.27 × 7,604.28
  4. Step 4: Simplify right side
    13,269.66x = 139,251,590.49
  5. Step 5: Solve for x
    x = 139,251,590.49/13,269.66
  6. Step 6: Final answer
    x = 10,493.99

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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.