Home / 19,709.10-29,548.59-9,855.30

Finding the Fourth Proportional to 19,709.10, 29,548.59 and 9,855.30

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Solution

The fourth proportional to 19,709.10, 29,548.59 and 9,855.30 is: 14,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.10 : 29,548.59 = 9,855.30 : x
  2. Step 2: Convert to fraction form
    19,709.10/29,548.59 = 9,855.30/x
  3. Step 3: Cross multiply
    19,709.10x = 29,548.59 × 9,855.30
  4. Step 4: Simplify right side
    19,709.10x = 291,210,219.03
  5. Step 5: Solve for x
    x = 291,210,219.03/19,709.10
  6. Step 6: Final answer
    x = 14,775.42

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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.