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Finding the Fourth Proportional to 19,656.99, 29,482.65 and 6,507.65

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Solution

The fourth proportional to 19,656.99, 29,482.65 and 6,507.65 is: 9,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.99 : 29,482.65 = 6,507.65 : x
  2. Step 2: Convert to fraction form
    19,656.99/29,482.65 = 6,507.65/x
  3. Step 3: Cross multiply
    19,656.99x = 29,482.65 × 6,507.65
  4. Step 4: Simplify right side
    19,656.99x = 191,862,840.98
  5. Step 5: Solve for x
    x = 191,862,840.98/19,656.99
  6. Step 6: Final answer
    x = 9,760.54

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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.