Home / 19,364.81-29,059.48-8,271.55

Finding the Fourth Proportional to 19,364.81, 29,059.48 and 8,271.55

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Solution

The fourth proportional to 19,364.81, 29,059.48 and 8,271.55 is: 12,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.81 : 29,059.48 = 8,271.55 : x
  2. Step 2: Convert to fraction form
    19,364.81/29,059.48 = 8,271.55/x
  3. Step 3: Cross multiply
    19,364.81x = 29,059.48 × 8,271.55
  4. Step 4: Simplify right side
    19,364.81x = 240,366,941.79
  5. Step 5: Solve for x
    x = 240,366,941.79/19,364.81
  6. Step 6: Final answer
    x = 12,412.56

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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.