Home / 20,307.16-30,460.74-10,954.90

Finding the Fourth Proportional to 20,307.16, 30,460.74 and 10,954.90

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Solution

The fourth proportional to 20,307.16, 30,460.74 and 10,954.90 is: 16,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307.16 : 30,460.74 = 10,954.90 : x
  2. Step 2: Convert to fraction form
    20,307.16/30,460.74 = 10,954.90/x
  3. Step 3: Cross multiply
    20,307.16x = 30,460.74 × 10,954.90
  4. Step 4: Simplify right side
    20,307.16x = 333,694,360.63
  5. Step 5: Solve for x
    x = 333,694,360.63/20,307.16
  6. Step 6: Final answer
    x = 16,432.35

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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.