Home / 19,520.55-29,281.07-6,870.69

Finding the Fourth Proportional to 19,520.55, 29,281.07 and 6,870.69

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Solution

The fourth proportional to 19,520.55, 29,281.07 and 6,870.69 is: 10,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.55 : 29,281.07 = 6,870.69 : x
  2. Step 2: Convert to fraction form
    19,520.55/29,281.07 = 6,870.69/x
  3. Step 3: Cross multiply
    19,520.55x = 29,281.07 × 6,870.69
  4. Step 4: Simplify right side
    19,520.55x = 201,181,154.84
  5. Step 5: Solve for x
    x = 201,181,154.84/19,520.55
  6. Step 6: Final answer
    x = 10,306.12

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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.