Home / 12,531.16-18,809.57-9,788.23

Finding the Fourth Proportional to 12,531.16, 18,809.57 and 9,788.23

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Solution

The fourth proportional to 12,531.16, 18,809.57 and 9,788.23 is: 14,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.16 : 18,809.57 = 9,788.23 : x
  2. Step 2: Convert to fraction form
    12,531.16/18,809.57 = 9,788.23/x
  3. Step 3: Cross multiply
    12,531.16x = 18,809.57 × 9,788.23
  4. Step 4: Simplify right side
    12,531.16x = 184,112,397.36
  5. Step 5: Solve for x
    x = 184,112,397.36/12,531.16
  6. Step 6: Final answer
    x = 14,692.37

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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.