Home / 15,511.80-23,259.06-13,667.16

Finding the Fourth Proportional to 15,511.80, 23,259.06 and 13,667.16

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Solution

The fourth proportional to 15,511.80, 23,259.06 and 13,667.16 is: 20,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.80 : 23,259.06 = 13,667.16 : x
  2. Step 2: Convert to fraction form
    15,511.80/23,259.06 = 13,667.16/x
  3. Step 3: Cross multiply
    15,511.80x = 23,259.06 × 13,667.16
  4. Step 4: Simplify right side
    15,511.80x = 317,885,294.47
  5. Step 5: Solve for x
    x = 317,885,294.47/15,511.80
  6. Step 6: Final answer
    x = 20,493.13

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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.