Home / 15,805.93-21,804.18-14,680.24

Finding the Fourth Proportional to 15,805.93, 21,804.18 and 14,680.24

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Solution

The fourth proportional to 15,805.93, 21,804.18 and 14,680.24 is: 20,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,805.93 : 21,804.18 = 14,680.24 : x
  2. Step 2: Convert to fraction form
    15,805.93/21,804.18 = 14,680.24/x
  3. Step 3: Cross multiply
    15,805.93x = 21,804.18 × 14,680.24
  4. Step 4: Simplify right side
    15,805.93x = 320,090,595.40
  5. Step 5: Solve for x
    x = 320,090,595.40/15,805.93
  6. Step 6: Final answer
    x = 20,251.30

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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.