Home / 17,765.16-24,515.60-9,807.21

Finding the Fourth Proportional to 17,765.16, 24,515.60 and 9,807.21

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Solution

The fourth proportional to 17,765.16, 24,515.60 and 9,807.21 is: 13,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.16 : 24,515.60 = 9,807.21 : x
  2. Step 2: Convert to fraction form
    17,765.16/24,515.60 = 9,807.21/x
  3. Step 3: Cross multiply
    17,765.16x = 24,515.60 × 9,807.21
  4. Step 4: Simplify right side
    17,765.16x = 240,429,588.44
  5. Step 5: Solve for x
    x = 240,429,588.44/17,765.16
  6. Step 6: Final answer
    x = 13,533.77

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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.