Home / 17,280.16-23,847.12-10,206.88

Finding the Fourth Proportional to 17,280.16, 23,847.12 and 10,206.88

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Solution

The fourth proportional to 17,280.16, 23,847.12 and 10,206.88 is: 14,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.16 : 23,847.12 = 10,206.88 : x
  2. Step 2: Convert to fraction form
    17,280.16/23,847.12 = 10,206.88/x
  3. Step 3: Cross multiply
    17,280.16x = 23,847.12 × 10,206.88
  4. Step 4: Simplify right side
    17,280.16x = 243,404,692.19
  5. Step 5: Solve for x
    x = 243,404,692.19/17,280.16
  6. Step 6: Final answer
    x = 14,085.79

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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.