Home / 13,088.12-19,636.29-4,329.18

Finding the Fourth Proportional to 13,088.12, 19,636.29 and 4,329.18

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Solution

The fourth proportional to 13,088.12, 19,636.29 and 4,329.18 is: 6,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.12 : 19,636.29 = 4,329.18 : x
  2. Step 2: Convert to fraction form
    13,088.12/19,636.29 = 4,329.18/x
  3. Step 3: Cross multiply
    13,088.12x = 19,636.29 × 4,329.18
  4. Step 4: Simplify right side
    13,088.12x = 85,009,033.94
  5. Step 5: Solve for x
    x = 85,009,033.94/13,088.12
  6. Step 6: Final answer
    x = 6,495.13

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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.