Home / 17,485.10-24,127.35-9,928.70

Finding the Fourth Proportional to 17,485.10, 24,127.35 and 9,928.70

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Solution

The fourth proportional to 17,485.10, 24,127.35 and 9,928.70 is: 13,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.10 : 24,127.35 = 9,928.70 : x
  2. Step 2: Convert to fraction form
    17,485.10/24,127.35 = 9,928.70/x
  3. Step 3: Cross multiply
    17,485.10x = 24,127.35 × 9,928.70
  4. Step 4: Simplify right side
    17,485.10x = 239,553,219.95
  5. Step 5: Solve for x
    x = 239,553,219.95/17,485.10
  6. Step 6: Final answer
    x = 13,700.42

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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.