Home / 13,318.59-19,988.22-5,006.19

Finding the Fourth Proportional to 13,318.59, 19,988.22 and 5,006.19

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Solution

The fourth proportional to 13,318.59, 19,988.22 and 5,006.19 is: 7,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.59 : 19,988.22 = 5,006.19 : x
  2. Step 2: Convert to fraction form
    13,318.59/19,988.22 = 5,006.19/x
  3. Step 3: Cross multiply
    13,318.59x = 19,988.22 × 5,006.19
  4. Step 4: Simplify right side
    13,318.59x = 100,064,827.08
  5. Step 5: Solve for x
    x = 100,064,827.08/13,318.59
  6. Step 6: Final answer
    x = 7,513.17

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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.