Home / 15,780.80-23,667.13-4,684.98

Finding the Fourth Proportional to 15,780.80, 23,667.13 and 4,684.98

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Solution

The fourth proportional to 15,780.80, 23,667.13 and 4,684.98 is: 7,026.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.80 : 23,667.13 = 4,684.98 : x
  2. Step 2: Convert to fraction form
    15,780.80/23,667.13 = 4,684.98/x
  3. Step 3: Cross multiply
    15,780.80x = 23,667.13 × 4,684.98
  4. Step 4: Simplify right side
    15,780.80x = 110,880,018.99
  5. Step 5: Solve for x
    x = 110,880,018.99/15,780.80
  6. Step 6: Final answer
    x = 7,026.26

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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.