Home / 19,690.86-29,527.65-7,207.65

Finding the Fourth Proportional to 19,690.86, 29,527.65 and 7,207.65

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Solution

The fourth proportional to 19,690.86, 29,527.65 and 7,207.65 is: 10,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.86 : 29,527.65 = 7,207.65 : x
  2. Step 2: Convert to fraction form
    19,690.86/29,527.65 = 7,207.65/x
  3. Step 3: Cross multiply
    19,690.86x = 29,527.65 × 7,207.65
  4. Step 4: Simplify right side
    19,690.86x = 212,824,966.52
  5. Step 5: Solve for x
    x = 212,824,966.52/19,690.86
  6. Step 6: Final answer
    x = 10,808.31

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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.