Home / 15,679.57-23,482.77-13,616.50

Finding the Fourth Proportional to 15,679.57, 23,482.77 and 13,616.50

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Solution

The fourth proportional to 15,679.57, 23,482.77 and 13,616.50 is: 20,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.57 : 23,482.77 = 13,616.50 : x
  2. Step 2: Convert to fraction form
    15,679.57/23,482.77 = 13,616.50/x
  3. Step 3: Cross multiply
    15,679.57x = 23,482.77 × 13,616.50
  4. Step 4: Simplify right side
    15,679.57x = 319,753,137.71
  5. Step 5: Solve for x
    x = 319,753,137.71/15,679.57
  6. Step 6: Final answer
    x = 20,392.98

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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.